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40.5-0.36*2-0.28的简便计算
人气:182 ℃ 时间:2020-03-29 14:00:00
解答
40.5-0.36*2-0.28
=40.5-0.72-0.28
=40.5-(0.72+0.28)
=40.5-1
=39.5
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