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数学
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初一有理数除法的数学题 要有算式啊!
(—4又3分之2)除2又5分之4除(—3又8分之1)乘(—0.75)
(—4又3分之2)除以2又5分之4除以(—3又8分之1)乘以(—0.75)
人气:441 ℃ 时间:2019-12-22 17:31:37
解答
(-14/3)/(14/5)/(-25/8)*(-3/4)
=(-14/3)*(5/14)*(-8/25)*(-3/4)
=-2/5
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