ChaseDream
标题: 北美2/4 [打印本页]
作者: k_maxime 时间: 2020-2-6 04:35
标题: 北美2/4
2019/12/12 没换库
10 (变形,具体忘了哈哈哈)
29
73
81 (问n最大的范围)
92
112
124
128
142
没在寂静上:
PS: Pick the numbers down below that has the same standard deviation as (1,2,3,4,5):
A. (1*2, 2*2, 3*2, 4*2, 5*2)
b. (1/2, 2/2, 3/2, 4/2, 5/2)
c. (1+2, 2+2, 3+2, 4+2, 5+2)
d.
e. (1*(1/2), 2*(1/2), 3*(1/2), 4*(1/2), 5*(1/2))
答案:c
作者: GMAT760!! 时间: 2020-2-6 06:28
祈求2-7别换裤,呜呜
作者: 典座 时间: 2020-2-6 08:09
2-8也别换库........
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