1. Considere os conjuntos: A = {1, 3, 4, 5, 7, 8, 9} e B = {1, 5, 9}. É correto afirmar que: * 1 ponto A) A ⊂ B B) B ⊃ A C) B ⊂ A D) A ⊅ B​
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