题目内容
口算题: 0.75×2= |
0.42×0.2= |
2.5×0.4= |
40×1.3= |
0.07×8= |
1.2×0.4= | 0.08×0.5= | 1.25×8= | 0.03×3.1= | 1.3×5= |
分析:根据小数乘法的计算方法进行计算.据此解答.
解答:
解:0.75×2=1.5 | 0.42×0.2=0.084 | 2.5×0.4=1 | 40×1.3=52 | 0.07×8=0.56 |
1.2×0.4=0.48 | 0.08×0.5=0.04 | 1.25×8=10 | 0.03×3.1=0.093 | 1.3×5=6.5 |
点评:本题主要考查了学生小数乘法的计算能力,注意计算结果的准确性.
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