跟數字有關的排列問題，數字不重複的三位數中有幾個3的倍數？｜#數學3乘3 ｜曉戴數學｜高中排列組合
Synopsis
排列問題中常出現的數字問題可以來挑戰看看，這三題都會的話表示觀念已經很清楚了！ #排列組合#數學3乘3 #曉戴數學.
![[高中數學][高一下][排列組合] EP10.3 重複排列(數字) [楊翰數學]](https://i.ytimg.com/vi/EfDaQhY4aZU/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCjqj5TemHAQ5WqrjSWJHsSWkSmaA)
![[高中][B2][2-3][數字組合][尹正數學]](https://i.ytimg.com/vi/DnAQHeE6ZEE/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAKk0ycTtg-dKTfSd0JQFB0xKNFdQ)
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