古詩詞大全網 - 成語解釋 - 6個數字,如111222,這種排列組合有幾種可能(比如121212,112212)?

6個數字,如111222,這種排列組合有幾種可能(比如121212,112212)?

111222,112122,112212,112221,121122,121212,121221,122112,122121,122211,211122,211212,211221,212112,212121,212211,221112,221121,221212,222111,應該就這些了