問題詳情
4.( ) 小豪走學校樓梯每步一階或兩階,學校樓梯 1 樓到 2 樓共 16 階,第 7 階有彩繪卡通圖案 階有彩繪卡通圖案(小豪每次必走 (小豪每次必走),今天第 今天第 15 階有人弄倒餐點全是油 15 階有人弄倒餐點全是油,小豪不會踏到這一階 ,小豪不會踏到這一階,若正常狀況下小豪走 ,若正常狀況下小豪走 7 階有m 種方法,則小豪今天走這 天走這 16 階共有__________種走法 __________種走法
(A)2 m
(B) 2 m +1
(C) m2 +1
(D) 2 m +2
(E) m 2+ 2 。 。
(A)2 m
(B) 2 m +1
(C) m2 +1
(D) 2 m +2
(E) m 2+ 2 。 。
參考答案
答案:B[無官方正解]
難度:困難0.266667
統計:A(0),B(4),C(2),D(4),E(0)
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