為什麽！我剛剛做了驗算、是正確的！可能我問的問題有錯誤，應為：可重複組合數！如你以上所言、排列順序依次、組合不記順序！

來源: sam 於 2023-06-01 17:36:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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