我还见过这面锦旗。
警察破案,某数学教授用黄金分割法划分范围。案破了,警察送给教授一面锦旗。
本帖于 2021-03-10 08:46:08 时间, 由普通用户 TheHawk 编辑
我还见过这面锦旗。
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