作者kcg (all right)
看板GMAT
标题[计量] 请教两题PP 的DS
时间Sun Oct 4 23:29:10 2009
1.
if zy<xy<0
is |x-z|+|x|=|z| ?
1)z<x
2)y>0
我算C
答案给D
2.
if set S consists of the numbers 1,5,-2,8,n
is 0<n<7 ?
1) median of the numbers in S is less than 5
2) median of the numbers in S is greater than 1
我算B
答案给C
请好心人士帮帮忙~~
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