题目内容
列竖式计算.(带※的要验算.)
87×63= | 504÷8= | ※75×36= | ※414÷9= |
9-2.5= | 312÷3= | 16.8+4.2= | 564÷7= |
分析:根据整数乘除法和小数加减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:
87×63=5481
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/54221cf2.png)
504÷8=63
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/125aef98.png)
※75×36=2700
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/2283749d.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/8d3c8f27.png)
※414÷9=46
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/602ca9b5.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/4b1494e4.png)
9-2.5=6.5
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/446003de.png)
312÷3=104
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/b00dabc0.png)
16.8+4.2=21
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/19405312.png)
564÷7=80…4
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/d6c4fc20.png)
87×63=5481
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/54221cf2.png)
504÷8=63
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/125aef98.png)
※75×36=2700
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/2283749d.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/8d3c8f27.png)
※414÷9=46
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/602ca9b5.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/4b1494e4.png)
9-2.5=6.5
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/446003de.png)
312÷3=104
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/b00dabc0.png)
16.8+4.2=21
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/19405312.png)
564÷7=80…4
![](http://thumb.1010pic.com/pic3/upload/images/201304/49/d6c4fc20.png)
点评:本题主要考查整数乘除法和小数加减法的笔算,根据各自的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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