根据托勒密定理，即圆内接四边形的两组对边乘积之和等于两条对角线的乘积，也能得AO/OD=4/3

来源: 万斤油于 2022-05-05 17:26:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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