题目内容
用竖式计算,并验算
53×27= | 48×52= | 38×45= | 94×17= |
分析:根据整数乘法的竖式计算的方法进行计算即可;注意验算方法的选择.
解答:解:
53×27=1431
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/45bdc3d5.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/2cc9c8c6.png)
48×52=2496
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/cbc12907.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/71d97017.png)
38×45=1710
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/a10da4ad.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/b8a82e88.png)
94×17=1598
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/a565ff30.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/4ea6e72e.png)
53×27=1431
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/45bdc3d5.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/2cc9c8c6.png)
48×52=2496
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/cbc12907.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/71d97017.png)
38×45=1710
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/a10da4ad.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/b8a82e88.png)
94×17=1598
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/a565ff30.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201305/4/4ea6e72e.png)
点评:本题主要考查整数乘法的笔算,根据其计算方法进行计算即可;注意验算方法的选择.
![](http://thumb2018.1010pic.com/images/loading.gif)
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