还没有登录哦！
[Problem Solving]
试题详情
题目：
If x, y ≠ 0, is xy an integer?
(1) x is prime.
(2) y is even.
选项:
A、Aif statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
B、Bif statement (2) ALONE is sufficient to answer the question but statement (1) alone is not sufficient;
C、Cif the two statements TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient;
D、Dif EACH statement ALONE is sufficient to answer the question;
E、Eif the two statements TAKEN TOGETHER are still NOT sufficient to answer the question.
答案:
E
提问：
我选的C。 prime肯定是integer, 偶数肯定是integer, 乘一起为什么不能判断了呢？谢谢
解答：
点赞0
阅读1763
提问：
我选的C。 prime肯定是integer, 偶数肯定是integer, 乘一起为什么不能判断了呢？谢谢
解答：
点赞0
阅读1764
提问：
一说为质数 那么肯定为整数， 二说为偶数也肯定为整数， 那么相乘不能确定是整数么？
解答：
点赞0
阅读1795
问个问题
注册太麻烦？点这里查看免费答疑吧！
博币不足
加"GMAT小百科"小智微信
直接送200
