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【320925】五年级数学下册第四单元分数的意义和性质检测卷(基础卷)(含答案)人教版

时间:2025-01-08 18:57:52 作者: 字数:8997字
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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> Shape1

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密★启用前

2021-2022学年

五年级数学下册第四单元分数的意义和性质检测卷(基础卷)


考试时间:60分钟;满分:102


班级:  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 姓名: 成绩:

注意事项:

1.答题前填写好自己的班级、姓名等信息。

2.请将答案正确填写在答题区域,注意书写工整。


卷面(2分)。我 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 能做到书写端正,格式正确,卷面整洁。


一、认真填一填。(每空1分,共37分)

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 分米可以表示 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 1分米平均分成( )份,取其中的( )份,这个分数的分数单位是( ),再添(  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> )个这样的分数单位就是1

2.在下面的括号里填上适当的数。

9÷25 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> =(       )÷(       )          (       )÷100 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

3.一根钢管长1.5米,把它平均分成了5份,每份( <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> )米,占总长的( )

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

5.把下列数化成小数。(除不尽的保留两位小数)[来源:学科网ZXXK]

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 的分数单位是( ),再添上( )个这样的分数单位是1

7.椅子的单价是桌子单价的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,是把( )看作单位“1”

8.填上“ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ”或“ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

9.下边图形涂色部分占整个图形的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

10.在直线上面的口里填上适当的假分数,下面的口里填上适当的带分数。

 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

11.在(       )里填上适当的分数。

15时=( )日     <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>          8dm( )m             

60dm2( )m2             500克=( )千克

12.一个星期中,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/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

二、仔细判一判。(对的画√,错的画X,每题1分,共5分)

1.把5千克糖平均分成4份,每份有 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 千克。( )

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 吨可以看作1吨的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,也可以看作5吨的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ( )

3.两数的最小公倍数一定大于或等于这两数。( )

4.真分数小于1,带分数大于1,假分数不一定大于1( )

5.如果 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 是假分数,那么b小于或等于4b≠0)。( )

三、用心选一选。(将正确的选项填在括号内,每题1分,共5分)

1.下图中的?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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

2.如果两个分数的分母相同,则这两个分数(       )。

A.大小相同 B.分数单位相同 C.所含分数单位的个数相同 D.意义相同

3.做相同的作业,甲用 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 小时,乙用40分钟,甲、乙两人做作业的速度相比(       )。

A.相等 B.甲快 C.乙快 D.无法比较

4.非0自然数a除以非0自然数b,商是3ab的最大公因数是(       )。

Aa Bb C3 Dab

5.把分数 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 的分子加上18,要使分数大小不变,分母就(       )。

A.加上18 B.加上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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 4 C.乘3 D.乘4[来源:||]

四、细心算一算。(共24分)

1(本题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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> )找出下列每组数的最大公因数和最小公倍数。

312             57                1242




 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 2(本题4)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/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

3(本题8)约分。

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

4(本题6)先通分,再比较每组数分数的大小。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>




五、解决问题。(共29分)

1(本题4)2021617922分,神舟十二号载人飞船在酒泉卫星发射中心发射升空,准确进入预定轨道,顺利将3名航天员送上太空。李阿姨和张叔叔打同样一篇航天知识稿子,谁打字快一些?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>




2(本题5)有一则公益广告:3个易拉罐可以制成一副眼镜框,600个易拉罐可以制成一辆自行车。做一副眼镜框所需的易拉罐是做一辆自行车所需的易拉罐的几分之几?




3(本题5)把这些鱼平均分给5只小猫。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

1)每只小猫可以分到几分之几条鱼?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 2)若这些鱼共重7千克每只小猫可以分到几分之几千克鱼?





4(本题5)修路队修一条公路,已修80千米,还剩下31千米没有修。已修的和没有修的各占这条公路的几分之几?





5(本题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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> )有两条丝带,分别长 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 。现在要将它们剪成同样长的小段做成中国结,每一条都不能有剩余,这样一共最少可以剪成多少段? <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>





6(本题5)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?


[来源:Z.xx.k.Com]













[来源:__]




























答案解析部分

一、认真填一填。

1.     7     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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>      4

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 5999

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>      0.3      <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

430110

5.     0.08     1.25     0.67

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>      3

7.桌子的单价

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

9 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

10

填空如下:

 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>


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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

二、仔细判一判。

1.√

2.√

3.√

4.√

5.√

三、用心选一选。

1D

2B

3C

4B

5D

四、细心算一算。

1312135684

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

3.(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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,因为 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,因为 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> , 因为 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

五、解决问题。

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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>0.833

0.90.833

答:李阿姨打得快。

2

3÷600 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

答:做一副眼镜框所需的易拉雄是做一辆自行车所需的易拉罐的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

3[来源:学科网ZXXK]

112÷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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> (条)

答:每只小猫可以分到 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 条鱼。

27÷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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> (千克)

答:每只小猫可以分到 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> 千克鱼。

4

80÷8031

80÷111

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

31÷8031

31÷111

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a>

答:已修的长度占这条公路的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,没有修的长度占这条公路的 <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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

所以322的最大公因数是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/197/" title="基础" class="c1" target="_blank">基础</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> (段)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" 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/385/" title="意义" class="c1" target="_blank">意义</a> (段)

答:这样一共最少可以剪成17段。

6

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。


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