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