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3.65/4+8.35*0.25 递等式简便运算
人气:221 ℃ 时间:2020-03-29 08:14:19
解答
3.65/4+8.35*0.25
=3.65*0.25+8.35*0.25
=(3.65+8.35)*0.25
=12*1/4
=3
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