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INFO:
３人を横一列にする並び方は、実際に紙に書いてみればわかります。でもそれが４人、５人…４６人なら？　数が増えると実際に書いてみるのは大変です。実は「順列」には計算方法があるのです。今回は順列の公式をマスターしましょう。出演：さくら、三浦　玄

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順列 | ベーシック数学

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