题目内容
我能用竖式计算.
1.3+7.9=
26.7-7.4=
10-3.7=
38×29=
1.3+7.9=
26.7-7.4=
10-3.7=
38×29=
分析:在计算小数加减法时,首先应注意把小数点对齐,也就是把相同数位对齐,然后按照整数加减法的法则进行计算.
解答:解:1.3+7.9=9.2;
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/ad1f2257.png)
26.7-7.4=19.3;
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/da117c20.png)
10-3.7=6.3;
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/af750921.png)
38×29=1102.
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/2ae5bc5f.png)
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/ad1f2257.png)
26.7-7.4=19.3;
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/da117c20.png)
10-3.7=6.3;
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/af750921.png)
38×29=1102.
![](http://thumb.1010pic.com/pic3/upload/images/201311/127/2ae5bc5f.png)
点评:本题主要考查据小数加减法及两位数乘法的计算方法.
![](http://thumb2018.1010pic.com/images/loading.gif)
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