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Mathematics, 23.10.2021 14:00 ia28735
For two sets A and B, n(A n B) = 3, n(B) = 8, n(A U B) = 12. Find n(A).
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For two sets A and B, n(A n B) = 3, n(B) = 8, n(A U B) = 12. Find n(A)....
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