题目内容
7.15×22= 157.3 157.3 ; |
90.75÷3.3= 27.5 27.5 ; |
3.68×0.25= 0.92 0.92 ; |
16.9÷0.1 =130 =130 ; |
1.55÷3.9= 0.40 0.40 ; |
3.7×0.016= 0.0592 0.0592 ; |
13.76×0.8= 11.008 11.008 ; |
5.2×0.6= 3.12 3.12 ; |
35.4×4.2= 148.68 148.68 ; |
10.75÷12.5= 0.86 0.86 ; |
0.042×0.54= 0.02268 0.02268 ; |
10.75÷12.5= 0.86 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:解: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;
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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