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简算(0.75*6.4*93)/(2.5*0.62*0.32)
人气:303 ℃ 时间:2020-04-12 06:43:27
解答
(0.75*6.4*93)/(2.5*0.62*0.32)
=(0.75/2.5)*(6.4/0.32)*(93/0.62)
=3/10*20*150
=900
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