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3.58*9.9+0.5简便计算
人气:230 ℃ 时间:2020-03-26 10:20:18
解答
=3.58*(10-0.1)+0.5
=3.58*10-3.58*0.1+0.5
=35.8-0.358+0.5
=35.942
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