题目内容
| 7.15×22=________; | 90.75÷3.3=________; | 3.68×0.25=________; | 16.9÷0.1________; |
| 1.55÷3.9=________; | 3.7×0.016=________; | 13.76×0.8=________; | 5.2×0.6=________; |
| 35.4×4.2=________; | 10.75÷12.5=________; | 0.042×0.54=________; | 10.75÷12.5=________. |
157.3 27.5 0.92 =130 0.40 0.0592 11.008 3.12 148.68 0.86 0.02268 0.86
分析:根据小数乘除法竖式计算的方法进行计算即可求出结果.
解答:7.15×22=157.3;

90.75÷3.3=27.5;

3.68×0.25=0.92;

16.9÷0.13=130;

1.55÷3.9≈0.40;

3.7×0.016=0.0592;

13.76×0.8=11.008;

5.2×0.6=3.12;

35.4×4.2=148.68;

10.75÷12.5=0.86;

0.042×0.54=0.02268;

10.75÷12.5=0.86;

点评:列竖式计算小数的乘除法,注意小数点的位置,对于除法,除不尽的要保留两位小数.
分析:根据小数乘除法竖式计算的方法进行计算即可求出结果.
解答:7.15×22=157.3;
90.75÷3.3=27.5;
3.68×0.25=0.92;
16.9÷0.13=130;
1.55÷3.9≈0.40;
3.7×0.016=0.0592;
13.76×0.8=11.008;
5.2×0.6=3.12;
35.4×4.2=148.68;
10.75÷12.5=0.86;
0.042×0.54=0.02268;
10.75÷12.5=0.86;
点评:列竖式计算小数的乘除法,注意小数点的位置,对于除法,除不尽的要保留两位小数.
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