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