高一下數學 排列組合 18 雙層配對
Synopsis
本集：透過「雙層配對」的觀念，把排列組合的問題走向現實的、較複雜的，需要使用兩次以上配對來建構式子的情境。 除了是從 ...
![[高中數學][高一下][排列組合] EP11.2 排列與組合的比較 [楊翰數學]](https://i.ytimg.com/vi/UwWqB4MhL1w/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLC1vsYnB3ydJTNdnrs821GjB1rRiQ)
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