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標題:
Math simple formula
發問:
Please help on this simple math , forgot how to solve , (x-y)/x = z x = ? Thanks a lot
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最佳解答:
(x-y)/x=z x-y=xz x-xz=y x(1-z)=y x=y/(1-z)
其他解答:
(x-y)/x = z x-y,,,,,,=xz x(1-z)..=y x.........=y/1-z
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