题目内容
列竖式计算:
3.7+6.05= | 8.25-4.9=3 | 6×45= | 2.6+12.75= | 78×22= | 87×21= |
分析:根据整数、小数四则运算的计算法则,直接列竖式计算.
解答:解:3.7+6.05=9.75;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/62d96d1a.png)
8.25-4.9=3.35;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/186a4a62.png)
6×45=270;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/3e789629.png)
2.6+12.75=15.35;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/10a8ffcf.png)
78×22=1716;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/6ee993fb.png)
87×21=1827.
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/e49baef7.png)
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/62d96d1a.png)
8.25-4.9=3.35;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/186a4a62.png)
6×45=270;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/3e789629.png)
2.6+12.75=15.35;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/10a8ffcf.png)
78×22=1716;
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/6ee993fb.png)
87×21=1827.
![](http://thumb.1010pic.com/pic3/upload/images/201303/49/e49baef7.png)
点评:此题考查的目的是牢固掌握整数、小数四则运算的计算法则,并且能够正确熟练地用竖式计算.
![](http://thumb2018.1010pic.com/images/loading.gif)
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