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「組合せ」とは、いくつかのものを順序を考えに入れないで組にしたもののこと。「順列」との関係を理解し、組合せの総数の求め方や記号を使った表し方と計算方法を知ろう。出演者　湯浅弘一　庄司浩平　宮下結衣

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組合せ | 数学A

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