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【321164】1.1 分数乘整数

时间:2025-01-08 19:32:43 作者: 字数:1362字
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1.1分数乘整数

  1. 填一填。

1 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> =( )×( ) 2.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×2=( )+( )

3. <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×5表示( )。

48 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 的和是( );求6 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 的和,列式是( )。

5.一个正方形的边长是 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 米,它的周长是( )米。

二、计算。

 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×2=  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×5= 4× <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> =  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×5= 7× <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> =


  1. 一个漏水的水龙头每小时滴水 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 桶,5小时滴水多少桶?10小时呢?24小时呢?


  1. 教室的门高2米,小明的身高大约是门高的 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ,小明的身高是多少米?



五、爸爸和红红都感冒了,妈妈要给他们买3天的药。

1

感冒冲剂成人一次 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 袋,儿童一次 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 袋,一日3次。

.红红和爸爸一天分别要吃多少袋?



2.妈妈需要买多少袋药?




















答案:

一、 1.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 3 2.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 3. 5 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 相加

4.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> 5.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>

二、  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a>

三、  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×5= <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> (桶)  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×10=1(桶)  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×24= <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> (桶)

四、 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> = <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> (米)

五、 1.  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×3=1(袋)  <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> ×3= <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> (袋)

2. 1×3+ <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> =7 <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/191/" title="整数" class="c1" target="_blank">整数</a> (袋)


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