大学时有个老师说凡事用正确的公式去套就行了, 数学内部的逻辑会自动摆平一切，不用去想清楚每个环节

来源: rulvbobing 于 2024-02-19 10:40:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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