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A: topic - functions
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A: a) Ac = {1,3,6,7,8,10,13,14,15,16,18,19,20} b) Bc = {1,2,3,6,7,9,10,11,14,15,16,17,18, 20} c) A∩...
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A: topic - sets
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A: Let's find.
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A: Topic = Algebra TRUE
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