Matching Pairs matematica secundariaOnline version operaciones by Domingo Alejo Trinidad Salomon 1 (2)4 = 2 -3-5-8 3 (-5) * (-8)= 4 -8-4-8+20 5 (-8+5) x 4= 6 5-7-6 7 (12x5) - 45 = 8 8-4-9+7= 2 40 -16 -8 0 15 -12 2x2x2x2