Question
Bahasa Melayu
Diberi bahawa n(A) = 18, n(B) = 15 dan n(A ∩ B) = 7, cari n(A ∪ B).
English
Given that n(A) = 18, n(B) = 15 and n(A ∩ B) = 7, find n(A ∪ B).
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