题目内容
用竖式计算下面各题.
2.6+4.2
5.6+1.8
3.4+0.8
3.2-0.5.
2.6+4.2
5.6+1.8
3.4+0.8
3.2-0.5.
分析:根据小数加减法竖式计算的方法进行计算.
解答:解:
2.6+4.2=6.8
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/77fd02f9.png)
5.6+1.8=7.4
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/81a745a5.png)
3.4+0.8=4.2
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/0b10715d.png)
3.2-0.5=2.7
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/1f563e73.png)
2.6+4.2=6.8
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/77fd02f9.png)
5.6+1.8=7.4
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/81a745a5.png)
3.4+0.8=4.2
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/0b10715d.png)
3.2-0.5=2.7
![](http://thumb.1010pic.com/pic3/upload/images/201307/100/1f563e73.png)
点评:考查了小数加减法的笔算,根据其计算方法进行计算.
![](http://thumb2018.1010pic.com/images/loading.gif)
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