题目内容
列竖式计算下面各题.
0.95×8 | 3.4×25 | 18.6×34 |
0.57×0.8 | 0.9×0.47 | 9.5×3.6. |
分析:根据小数乘法的计算法则,先按照整数乘法算出积,再看因数中一共有几位小数,就从积的右边起数出几位点上小数点,末尾有0的,根据小数的性质把末尾的0去掉.
解答:解:0.95×8=7.6;
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3.4×25=85;
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18.6×34=632.4;
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0.57×0.8=0.456;
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0.9×0.47=0.423;
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9.5×3.6=34.2;
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3.4×25=85;
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18.6×34=632.4;
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0.57×0.8=0.456;
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0.9×0.47=0.423;
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9.5×3.6=34.2;
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点评:此题考查的目的是理解掌握小数乘法的计算法则,并且能够正确熟练地进行计算.
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