要想清楚，很多數學牛蛙接觸到真正難的數學後就不喜歡了，現在就說要做教授還太早。如果將來改主意了呢？

來源: STEMkid 於 2024-05-05 13:32:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

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