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拿掉两个格子，一黑一白可以保证，任一格子都有相邻格子与之匹配，但是更多的就不行了，理论上讲，那就是二分匹配了In Reply To:这样的说明是不行的，为什么“必”呢？为什么拿掉更多的方格的时候就不一定行了？ Posted by:frkstyc at 2005-07-28 14:57:01 Followed by:
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