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【321067】【精品】第一章《分数乘法》六年级数学上册单元提优精选题汇编 人教版(含答案)

时间:2025-01-08 19:21:21 作者: 字数:7259字
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【精品】第一章《分数乘法》六年级数学上册提优精选题汇编 人教版

一.选择题(共10小题)

1.甲数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 等于乙数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 时,甲数(  )乙数(甲、乙为正数).

A.大于 B.小于 C.等于

2.下面(  )的结果是等于 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> B4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的和 C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

3.当a(  )时, <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×a <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

A.小于1 B.等于1 C.大于1

43 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的和是(  )

A1 B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> C3

5.下面的大长方形都表示“1,示意图(  )可以表示 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的积.

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

620 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (  )

A12 B18 C30

7.甲数是60,乙数是甲数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,乙数是(  )

A24 B150 C120

81米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (  )2米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

A.> B.< C.= D.无法确定

9.真分数乘分数,积(  )

A.是真分数 B.是假分数 C.无法确定

10.表示图中双阴影部分意义的正确算式是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> D <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

二.填空题(共8小题)

11

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×21    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>


12 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

8米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 可以列式为   ×   

8米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 可以列式为   ×   

13.把 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 改写成乘法算式是   ,得数是   

14.算式 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的积都大于被乘数.   

15.把三个分数同乘以一个分数,使乘得的积都是整数,这样的分数中最小是   

1615 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>    个.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

17.如图,小林喝了1升水的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> .喝了   毫升,还剩   毫升.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

18.看图列出算式并解答

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

   ×      

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

   ×      

三.判断题(共5小题)

1912× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 表示求12 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是多少.   (判断对错)

204米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 5米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 一样长.   (判断对错)

21.一个真分数乘一个假分数,积一定大于这个真分数.   .(判断对错)

22 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×8的计算结果相同.    (判断对错)

23 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×2表示两个 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 相乘的积是多少.   .(判断对错)

四.计算题(共1小题)

24.下面各题写出必要的计算过程

1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×90

2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×21× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

5 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

五.应用题(共3小题)

25.李伯伯家的果园去年摘了640kg苹果.今年摘了多少千克苹果?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

26.在下面长方形中画图表示算式了 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,并计算出结果.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

27.小明说:2千克铁的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 2千克棉花的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 重;小红说:1米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 3米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 一样长.你认为他俩谁说得对?为什么?

六.操作题(共1小题)

28.先在长方形中涂色表示它的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,再画斜线表示 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的乘积,并完成填空.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

七.解答题(共4小题)

29.求 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是多少,算式是   

请在长方形中涂出 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> .(先用 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 再用 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 表示)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

30.乙是甲的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,丙是乙的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,用线段图表示它们的关系.

31.比24千克多 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是多少?

32 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是多少米?

参考答案与试题解析

一.选择题(共10小题)

1.解:甲数× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> =乙数× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

所以甲数大于乙数,

故选:A

2.解:A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

B4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的和即 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 2

C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故选:A

3.解:根据积的变化规律可知,

a大于1时, <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×a <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故选:C

4.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×31

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的和是1

故选:A

5.解:图A.网状部分表示 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

B.画网状部分表示 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

C.网状部分表示 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故选:B

6.解:20× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

答:20 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 12

故选:A

7.解:60× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 24

答:乙数是24

故选:A

8.解:1米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 米,2米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 米,则1米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 等于2米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故选:C

9.解:由分析可知,真分数乘分数,积小于、大于或等于它本身;

故选:C

10.解:图中双阴影部分表示的意义是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ,根据一个数乘分数的意义,列式为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故选:B

二.填空题(共8小题)

11

解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×21 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>


故答案为:<,>,=,<,>,=,<,>,=.

12.解:(1)求8米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 可以列式为  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

2)求8米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 可以列式为  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 8 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 8 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

13.解:把 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 改写成乘法算式是: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×3

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

14.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

2大于1,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×2的积大于被乘数

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 大于1,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的积大于被乘数;

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 1,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 的积小于被乘数,

故答案为:×

15.解:比如这三个分数是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

三个分子的最大公因数是:(41612)=4

三个分母的最小公倍数是:[395]45

所以所求分数是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

16.解:15× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 12(个)

答:15 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 12个.

故答案为:12

17.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 0.8(升),

0.8升=800毫升;

1升=1000毫升,

1000800200毫升

答:喝了800毫升,还剩200毫升.

故答案为:800200

18.解:由图可知:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> =, <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

三.判断题(共5小题)

19.解:根据分析可得:

12× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 表示求12 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是多少.

故答案为:√.

20.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

所以4米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 5米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 一样长说法错误.

故答案为:×

21.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 是假分数,此时积一定等于这个真分数.

故答案为:×

22.解:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 6

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×86

所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×8的计算结果相同;

故答案为:√.

23.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×2表示两个 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 相加的和是多少,所以本题说法错误;

故答案为:×

四.计算题(共1小题)

24.解:(1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×90

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> ×21× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

3

5 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

五.应用题(共3小题)

25.解:640×1+ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

640× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

896(千克)

答:今年摘了896千克苹果.

26.解:如图:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

27.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (千克)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (米)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (米)

答:2千克铁的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 2千克棉花的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 一样重;1米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 3米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 一样长,小红说得对.

六.操作题(共1小题)

28.解:作图如下:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

七.解答题(共4小题)

29.解:如下图:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

算式是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

故答案为: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

30.解:画图如下,

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

31.解:24×1+ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

24× <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>

30(千克)

答:比24千克多 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 30千克.

32.解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> × <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> (米).

答: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 米的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/195/" title="乘法" class="c1" target="_blank">乘法</a> <a href="/tags/199/" title="汇编" class="c1" target="_blank">汇编</a> 米.

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