習題庫 設*U={1,2,3,4,5},A={2,4},B={3,4,5},C={3,4},則(AB)= ... 來源:國語幫 1.75W 問題詳情:設*U={1,2,3,4,5},A={2,4},B={3,4,5},C={3,4},則(AB) = .【回答】知識點:*與函數的概念題型:填空題 AB U12345A24B345C34