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Re:谁能告诉我题目的意思啊?

Posted by jaceice at 2005-11-11 20:38:13 on Problem 2721
In Reply To:谁能告诉我题目的意思啊? Posted by:ericsummer at 2005-11-11 20:35:43
我也不懂啊?
2-2的时候不是6/16吗,怎么会有那么多位小数的啊?

不是:
a b 种数
0 4 1
1 3 4
2 2 6
3 1 4
4 0 1
???

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