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简便计算:4.73×0.29.
人气:196 ℃ 时间:2020-02-06 07:11:01
解答
4.73×0.29
=4.73×(0.3-0.01)
=4.73×0.3-4.73×0.01
=1.419-0.0473
=1.3717
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