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数学
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897*3/8-37.5%+104*0.375 3 1/4*(5 3/8-5.375)简算
人气:127 ℃ 时间:2020-01-27 05:25:05
解答
897*3/8-37.5%+104*0.375
=(897-1+104)*0.375
=1000*0.375
=375
3 1/4*(5 3/8-5.375)
=13/4*(5.375-5.375)
=13/4*0
=0
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