Mathematics
Senior High
(2)の問題の解き方を教えてください🙇♀️
do
89 大人6人, 子ども2人が, くじ引きで席を決めて円卓に座るとき, 次の場合の
'
確率を求めよ。
(1) 子ども2人が隣り合う。
(2) 子ども2人が真正面に向かい合う。
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