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【320720】【分层训练】五年级下册数学单元测试-第四单元 分数的意义和性质(基础卷) 人教版(

时间:2025-01-08 18:41:09 作者: 字数:5713字
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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 五年级下册数学单元测试-第四单元 分数的意义和性质(基础卷)

(完成时间:60分钟,总分:100分)

一、选择题(满分16分)

1.在下列分数中,与 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 大小不相等的是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

2.下列涂色部分能用分数 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 表示的是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 分数单位是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

4.下列分数是真分数的是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> D <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

5.把假分数化为带分数: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> ( )。

A2 B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

6 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 的分子加上4,如果要使这个分数的大小不变,分母应( )。

A.加上4 B.加上8 C.乘2 D.乘4

7.在下面的分数中,与 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 不相等的分数是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> D <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

8936的最小公倍数是( )。

A1 B9 C36

二、填空题(满分16分)

9 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> (填小数)。

10.一个星期中,休息日是工作日的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

11 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 里面有( ) <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 里面有( ) <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

1224的最大因数是( ),最小倍数是( ),分解质因数是( )

13.分数单位是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 的最大真分数是( ),最小假分数是( ),把这个假分数再添上( )个这样的分数单位就是最小的合数。

14 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 是一个分数分别用23约分后得到的,这个分数原来是( )

1536的因数有( )个;2436的最大公因数是( )

162430的最小公倍数是( )

三、判断题(满分8分)

17.若莉莉比小涵高 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 米,则小涵比莉莉矮 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 米。( )

18.分数的分子和分母同时乘以一个相同的数,分数的大小不变。( )

19.和 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 相等的分数只有100个。( )

20.把6m长的绳子平均分成7段,每段占这根绳子的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>( )

四、计算题(满分18分)

21(6)通分并比较下列各组分数的大小。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>               <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

22(6)找出下列每组数的最大公因数和最小公倍数。

312       57       1242

23(6)把下面的假分数化成整数或带分数。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>          <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>        <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

五、解答题(满分42分)

24(6)五(1)班有46人,其中13人被评为三好学生,三好学生人数占全班人数的几分之几?







25(6) <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 的分子加上24,要使分数的大小不变,分母应乘上几?







26(6)兰兰拍了80张艺术照,其中有35张是兰兰喜欢的。请你用最简分数表示出兰兰喜欢的照片和不喜欢的照片分别占照片总数的几分之几?







27(6)新年到了,爸爸用微信给年年发了一个红包。红包里的钱既是48的因数,也是54的因数,爸爸给年年发的红包可能是多少元?







28(6)23路公共汽车每6分钟发车一次,9路公共汽车每8分钟发车一次,这两路公共汽车同时发车后,过多少分钟两路车再第二次同时发车?







29(6)实验小学有70多人参加全市体操比赛。每行站6人或8人都正好整行。你知道实验小学有多少人参加全市体操比赛吗?







30(6)人眨一次眼大约用 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 秒,“一瞬”约为0.36秒,两者相比,哪个时间更短?















参考答案

1C

2C

3C

4A

5C

6C

7A

8C

9964400.375

10 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

117     5

1224     24     242×2×2×3

13 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>       <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>      15

14 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

159     12

16120

17.√

18×

19×

20.√

21 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> ,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> ,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

22312135684

312的最大公因数是3,最小公倍数是12

57的最大公因数是1,最小公倍数是35

122×2×3

422×3×7

1242的最大公因数是2×36

最小公倍数是2×3×2×784

23 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 19÷4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 52÷134            

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 36÷7 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>             

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> 21÷8 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

24 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

13÷46 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

答:三好学生人数占全班人数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

255

6+24=30     30÷6=5

26 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

35÷80 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

答:兰兰喜欢的照片占照片总数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> ,不喜欢的照片占照片总数的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

271元、2元、3元或4

48的因数:12346812162448

54的因数:12369182754

4854的公因数:1236

答:爸爸给年年发的红包可能是1元、2元、3元、4元。

2824分钟

62×3

82×2×2

68的最小公倍数是:2×2×2×324

答:这两路公共汽车同时发车后,过24分钟两路车再第二次同时发车。

2972

62×3

82×2×2

68的最小公倍数是2×3×2×224

24×248(人);

24×372(人);

24×496(人);

根据总人数是70多人可知,总人数为72人;

答:实验小学有72人参加全市体操比赛。

30.人眨一次眼的时间更短

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>    因为 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> ,所以 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a>

答:人眨一次眼的时间更短。

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