19. 1437-!-item-!-187;#058&000677
Is z equal to the median of the three positive integers x, y, and z ?
(1) x < y + z
(2) y = z
Ans: B
不好意思,腦筋轉不過來
請問是否是
(1) x < y + z ,無從判斷,not sufficient
(2) y = z,所以 z 確定不是三者的中數,所以答案為 B ?