Matching Pairs UNIR CON FLECHAS 2Online version Descomposición de números 2 by Ariela Haar 1 81 2 18 3 45 4 23 5 37 6 54 7 72 8 27 20 + 20 + 5 = 50 + 2 + 2 = 80 + 1 = 10 + 10 + 7 = 20 + 3 = 5 + 5 + 8 = 10 + 10 + 10 + 7 = 70 + 1 + 1 =