Verdadero: 2 + 2 = 4, 5 + 2 = 7, 7 + 2 = 9, 6 + 4 = 10, Falso: 2 + 1 = 1, 6 + 3 = 4, 9 + 2 = 6, 8 + 3 = 7,

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