更一般的一对对边m等分,另一对对边n等分,mn为奇数,相对分点连接,构成mn个四边形网格,中间那个四边形面积是1/mn.

来源: 罗击于 2026-04-21 00:58:02 [旧帖] [给我悄悄话] 本文已被阅读：次

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