扫描二维码，直接登录
题库 / Prep2007E2-DS-19
Set S consists of five consecutive integers, and set T consists of seven consecutive integers. Is the median of the numbers in set S equal to the median of the numbers in set T ?
(1) The median of the numbers in set S is 0.
(2) The sum of the numbers in set S is equal to the sum of the numbers in set T.
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）。
设S的第一个数a，sum S=5a+10，T的第一个数是b，sum T=7b+21，S的中位数=a+2，T的中位数=b+3
(1)a+2=0,a=-2
(2)5a+10=7b+21
(1) (2)联立，得5a+10=0=7b+21,b=-3
T的中位数=b+3=0=S的中位数
登录 或 注册 后可以参加讨论