3.9×100.1=3.9×________+3.9×________.

发布时间:2020-08-05 03:17:21

3.9×100.1=3.9×________+3.9×________.

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100    0.1
解析分析:在计算3.9×100.1时,把100.1看作100+0.1,运用乘法分配律简算,据此解答.

解答:3.9×100.1,
=3.9×(100+0.1),
=3.9,100+3.9×0.1;
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