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标题: 明天就考了,求两道数学狗狗答案 [打印本页]

作者: chunk6278    时间: 2010-1-20 15:03
标题: 明天就考了,求两道数学狗狗答案
68%mean of standard deviation, most average 84 with standard deviation 6, ask score 92 represent what percentile?没看懂题答案有:84,92,97.。。。。
317. <x> is the remainder of 3x ,which of following must be equal to 1? (这道题大家看看寂静有没有,我实在记不清,当时完全没有任何clue)
I.  <2x+1>
II. 2<x+1>
III.
A. I ONLY
B. II ONLY
C. III ONLY
D, I II
E. II III




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