X-3.75%X=8分之5 解方程 速回
(X+7):6=7:2.1
X-37.5%X=8分之5
搞错了,对不起,是【37.5%】
人气:350 ℃ 时间:2019-12-21 15:26:35
解答
X-3.75%X=8分之5
X-3/80*X=5/8
两边同时乘以80得
80X-3X=50
77X=50
X=50/773/80?3.75%= 3/80一定正确。不知道你是否打错了。若是37.5%= 3/8
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