题目内容
(请给出正确答案)
提问人:网友imyemail
发布时间:2022-01-07
[主观题]
You should put your cash and credit cards in one wallet or purse in terms of convenience.
简答题官方参考答案
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In Section 5.6, underand conditional homoskedasticity, we have(R-r)XN(0,R).
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