[中學] 一題排組問題請教~
第5題(積木那題)~
想請教站上大師~
是要一一討論還是另有他法~
感謝,謝謝您,謝謝。
再問一下,丟公正骰子3次,點數和小於等於10的情況數?
想請教,我算H(4, 7)-3-3! ,為什麼錯?煩請指點迷津,謝謝您。
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※ 編輯: nokol (42.70.78.107), 04/29/2015 16:55:19
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