题目内容
列竖式计算:
3.7+6.05= | 8.25-4.9= | 2.6+12.75= | 36×45= | 78×22= | 87×21= |
解:
3.7+6.05=9.75
![](http://thumb.1010pic.com/pic5/upload/201305/51d63478f2b5d.png)
8.25-4.9=3.35
![](http://thumb.1010pic.com/pic5/upload/201305/51d634791eb35.png)
2.6+12.75=15.35
![](http://thumb.1010pic.com/pic5/upload/201305/51d634793ef89.png)
36×45=1620
![](http://thumb.1010pic.com/pic5/upload/201305/51d6347960952.png)
78×22=1716
![](http://thumb.1010pic.com/pic5/upload/201305/51d634798128a.png)
87×21=1827
![](http://thumb.1010pic.com/pic5/upload/201305/51d63479a38a4.png)
分析:根据小数加减法和整数乘法竖式计算的方法进行计算即可.
点评:本题主要考查小数加减法和整数乘法的笔算,根据各自的计算方法进行计算即可.
3.7+6.05=9.75
![](http://thumb.1010pic.com/pic5/upload/201305/51d63478f2b5d.png)
8.25-4.9=3.35
![](http://thumb.1010pic.com/pic5/upload/201305/51d634791eb35.png)
2.6+12.75=15.35
![](http://thumb.1010pic.com/pic5/upload/201305/51d634793ef89.png)
36×45=1620
![](http://thumb.1010pic.com/pic5/upload/201305/51d6347960952.png)
78×22=1716
![](http://thumb.1010pic.com/pic5/upload/201305/51d634798128a.png)
87×21=1827
![](http://thumb.1010pic.com/pic5/upload/201305/51d63479a38a4.png)
分析:根据小数加减法和整数乘法竖式计算的方法进行计算即可.
点评:本题主要考查小数加减法和整数乘法的笔算,根据各自的计算方法进行计算即可.
![](http://thumb2018.1010pic.com/images/loading.gif)
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