是的，其實對孩子們來說比較突兀，如果數學基礎不好，一下難以適應。牛二牛三還有各種守恒，基本國內高一力學，似乎還難一點

來源: yongshi99 於 2024-09-01 08:18:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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