题目内容
直接写得数.
| 0.9×6= | 7×0.08= | 0.24×2= | 1.4×0.3= | 60×0.5= |
| 1.87×0= | 1.6×5= | 4×0.25= | 0.7×0.9= | 3.1×0.3= |
| 0.04×0.2= | 0.16×0.5= | 0.8×0.05= | 1.8×0.04= | 2.1×4= |
| 0.12×6= | 1.7×0.03= | 2.4×0.02= |
分析:小数乘法的计算法则:按整数乘法的计算法则进行计算,因数里面一共有几位小数,就从积的末尾数出几位点上小数点.据此解答.
解答:
| 解:0.9×6=5.4 | 7×0.08=0.56 | 0.24×2=0.48 | 1.4×0.3=0.42 | 60×0.5=30 |
| 1.87×0=0 | 1.6×5=8 | 4×0.25=1 | 0.7×0.9=0.63 | 3.1×0.3=0.93 |
| 0.04×0.2=0.008 | 0.16×0.5=0.08 | 0.8×0.05=0.04 | 1.8×0.04=0.072 | 2.1×4=8.4 |
| 0.12×6=0.72 | 1.7×0.03=0.051 | 2.4×0.02=0.048 |
点评:本题考查了学生小数乘法的掌握情况.
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