Mathematics
Senior High
1枚の硬貨を8回投げるとき、表が3回だけ出る出方は何通りあるか。
という問題で求め方は8C3なのですが、8P3ではだめなのですか？CとPの使い分けがうまくできないので説明お願いします🙏🙏🙏
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1枚の硬貨を8回投げるとき、表が3回だけ出る出方は何通りあるか。
という問題で求め方は8C3なのですが、8P3ではだめなのですか？CとPの使い分けがうまくできないので説明お願いします🙏🙏🙏
Users viewing this question
are also looking at these questions 😉
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