题目内容
列竖式计算并验算
13.78+5.5=
10.1-7.95=
3.54×2.4=
91.2÷0.4=
13.78+5.5=
10.1-7.95=
3.54×2.4=
91.2÷0.4=
分析:根据小数加减乘除法的计算方法进行计算.注意验算方法的选择.
解答:解:
13.78+5.5=19.28
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/a25e6b0f.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/9ebb7f84.png)
10.1-7.95=2.15
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/4e9256b3.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/121c31f1.png)
3.54×2.4=8.496
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/093eae33.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/fad747ad.png)
91.2÷0.4=228
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/137f8c01.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/16ccaa1f.png)
13.78+5.5=19.28
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/a25e6b0f.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/9ebb7f84.png)
10.1-7.95=2.15
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/4e9256b3.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/121c31f1.png)
3.54×2.4=8.496
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/093eae33.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/fad747ad.png)
91.2÷0.4=228
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/137f8c01.png)
验算:
![](http://thumb.1010pic.com/pic3/upload/images/201312/55/16ccaa1f.png)
点评:考查了小数加减乘除法的笔算,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)
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