6位数1和2的排列组合有多少种,请分别列出,如111222,,111111,222222等
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111111211111121111112111111211111121111112221111212111211211211121211112122111121211121121121112112211112121112112111221111212111122222111221211221121221112212211212121212112211221211212211122122211122121122112121221121212121122112221112212112122111222222211222121222112221221221212221122212221212212212122211222122221122212122122121222112222222221222212222122221222212222122222222222
咨询记录 · 回答于2023-01-06
6位数1和2的排列组合有多少种,请分别列出,如111222,,111111,222222等
111111211111121111112111111211111121111112221111212111211211211121211112122111121211121121121112112211112121112112111221111212111122222111221211221121221112212211212121212112211221211212211122122211122121122112121221121212121122112221112212112122111222222211222121222112221221221212221122212221212212212122211222122221122212122122121222112222222221222212222122221222212222122222222222