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