题目内容
列竖式计算,带★号的要验算. 61÷2= |
★71÷5= | ★84÷4= |
254×6= | 208×4= | 540×6=. |
分析:根据整数乘除法的计算方法进行计算,注意验算方法的选择.
解答:解:
61÷2=30…1
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/c6983be0.png)
71÷5=14…1
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/179462a2.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/a08edf49.png)
84÷4=21
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/7ffee046.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/99cc7d94.png)
254×6=1524
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/e219a863.png)
208×4=832
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/d771b5a7.png)
540×6=3240
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/f0e61b1b.png)
61÷2=30…1
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/c6983be0.png)
71÷5=14…1
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/179462a2.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/a08edf49.png)
84÷4=21
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/7ffee046.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/99cc7d94.png)
254×6=1524
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/e219a863.png)
208×4=832
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/d771b5a7.png)
540×6=3240
![](http://thumb.1010pic.com/pic3/upload/images/201311/97/f0e61b1b.png)
点评:考查了整数乘除法的笔算,根据各自的计算方法进行计算;注意验算方法的选择.
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目