TVET CHNS,Eng,Maths
Senior High
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求解第12題😢
( 112. 甲、乙、丙、丁排成一列,則甲不排在首位或乙不排在末位的方法有幾種?
生活 (A) 18 (B) 14 (C) 12 (D)8。
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