Respuesta:
1. A = {3,5,7,9}, B = {1,2,3,4,5,7}, C = {4,5,6,7,8}, AUB = {1,2,3,4,5,7,9}, BUC = {1,2,3,4,5,6,7,8}, AUC = {3,4,5,6,7,8,9}
2. A = {1,2,3,4}, B = {1,2}, AUB = {1,2,3,4}, A∩B = {1,2}
3. C
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Respuesta:
1. A = {3,5,7,9}, B = {1,2,3,4,5,7}, C = {4,5,6,7,8}, AUB = {1,2,3,4,5,7,9}, BUC = {1,2,3,4,5,6,7,8}, AUC = {3,4,5,6,7,8,9}
2. A = {1,2,3,4}, B = {1,2}, AUB = {1,2,3,4}, A∩B = {1,2}
3. C