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