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3.76*0.25+25.8用简便算法计算
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简便方法?
人气:119 ℃ 时间:2020-04-22 07:46:55
解答
3.76*0.25+25.8
=(4-0.24)*0.25+25.8
=4*0.25-0.06*4*0.25+25.8
=1-0.06+25.8
=26.74
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