Verdadeiro: 13 + 16 = 29, 75 + 75 = 150, 25 + 50 = 75, 5 + 20 + 7 = 32, 100 + 75 + 25 = 200, Falso: 27 + 7 = 36, 43 + 6 = 50, 53 + 9 = 60, 15 + 16 = 30, 20 + 30 + 30 = 70,

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