Is ~$y< \frac{x+z}{2}$~ ?
(1) y - x < z - y
(2) ~$z-y> \frac{z-x}{2}$~
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.
不懂条件2怎么满足的
此题答案是否有问题?条件(2)并不充分啊。
对啊,做这道题的时候,我也很疑惑,总感觉出错了。后来查了查,原题中条件(2)应该是 >号,这样就选D了。
登录 或 注册 后可以参加讨论