请教gwd-27-32

camilla2006

If x³y⁴ = 5,000, is y = 5?

(1)     y is a positive integer.

(2)     x is an integer.

                  

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 statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Answer: c

请问这题解题方法是怎样的？

顾风

5000 = 5*5*5*2*2*2*5

把它全部分解就看出来了

阿彻

我选的是A~~为什么非要加上2这一条件？

kingwangfei

X若不是整数， 那么Y可以有很多