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Re:求教~~这道题2为什么是结果0啊？2个人互换位置不应该是1吗？？In Reply To:求教~~这道题2为什么是结果0啊？2个人互换位置不应该是1吗？？ Posted by:lolihunter at 2009-07-14 06:12:28 嗯~~~，大概是因为题目说所有人是坐一圈。如果只有两个人的话，另一个人既在你的左手边又在你的右手边，所以就不用再换位置了。 Followed by: Post your reply here: |
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