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Clearnote
Q&A
Senior High
Mathematics
教えてください🙇🏼♀️
Mathematics
Senior High
over 4 yearsago
ryouma
教えてください🙇🏼♀️
(5) SHIKEN の6文字をすべて使ってできる順列を, EHIKNS を1番目として、 辞書式に並べるとき,次の問いに答えよ。 (1) 140 番目の文字列を求めよ。 (2) SHIKEN は何番目の文字列か。
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