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5.74*1.8\0.2de简便计算
人气:287 ℃ 时间:2020-06-03 06:46:31
解答
5.74*1.8/0.2
= 5.74*1.8*5 / (0.2*5)
= 5.74*9
= 5.74*(10-1)
= 5.74*10 - 5.74
= 57.4 - 5.74
= 51.66
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