47（）一個正十二面體的每一面都是 N 邊形，有 F 個面、V 個點、E 個邊，下列何者不正確?(A)N=5 (B)V=20 (C)E= 30 (D)F-V+E=2

問題詳情

47（）一個正十二面體的每一面都是 N 邊形，有 F 個面、V 個點、E 個邊，下列何者不正確?
(A)N=5
(B)V=20
(C)E= 30
(D)F-V+E=2

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