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- UID
- 217809
- 帖子
- 258
- 主题
- 140
- 注册时间
- 2011-5-24
- 最后登录
- 2012-9-12
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| Look at it like this, you only really need to know 66 questions, and can blindly guess on the other 54 and you will have an expected value of a 70.0%. When you think of it like that, only having to be certain on 66 out of 120 questions doesn't seem so tough. |
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发表于 2011-7-11 19:24
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