每週一題102.05.08

 

一排共有10個座位，甲、乙、丙三人按如下方式就座：每人左右兩旁都有空位，且甲必須在乙和丙之間，則共有           種坐法。

﹝出自101學年_第七次模擬考試題﹞

Date Posted: 07 May 2013 @ 09 31 PM
Last Modified: 07 May 2013 @ 09 41 PM
Posted By: hs_math
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