作者NOWIZKI (殘酷G試煉)
看板GMAT
標題[計量] GWD27-Q32
時間Sat Jan 26 20:02:36 2008
Q.32 If x^3*y^4=5,000, is y=5?
(1) y is a positive integer
(2) x is an integer
Ans. C
But my answer is A, I wanna ask why A alone is not suffcient. THX
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