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[Data Sufficiency]
试题详情
题目：
If $$x$$ and $$y$$ are positive integers, what is the value of $$x$$?
(1)$${3}^{x}{5}^{y}={1},{125}$$
(2)$$y = 3$$
(1)$${3}^{x}{5}^{y}={1},{125}$$
(2)$$y = 3$$
选项:
A、 Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B、 Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C、 BOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、 EACH statement ALONE is sufficient.
E、 Statements (1) and (2) TOGETHER are NOT sufficient.
答案:
A
提问：
（2）为什么不正确？
解答：
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提问：
（2）为什么不正确？
解答：
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