Matching Pairs Calculo suma resta Online version Calcula correctamente las operaciones by sara gomez 1 5 - 4 = 2 6 + 5 = 3 9 + 3 = 4 4 - 4 = 5 3 + 2 = 6 3 + 7 = 7 6 - 3 = 8 9 - 2 = 9 8 - 6 = 10 0 12 7 3 5 1 2 11