扫描二维码，直接登录
题库 / Prep2007E1-DS-171
Is |x - y| > |x| - |y| ?
(1) y < x
(2) xy < 0
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
|a|-|b|≤|a+b|≤|a|+|b|和|a|-|b|≤|a-b|≤|a|+|b| 必然成立。
根据题意，只要只要大于，因此X和Y不取0就行。
显然（2）可以
登录 或 注册 后可以参加讨论