Matching Pairs DIVISONES RÁPIDASOnline version Cálculo mental de divisiones. by Mamen García 1 10: 2 = 2 28: 7 = 3 21: 7 = 4 16 : 8 = 5 40: 5 = 6 72: 8 = 7 54: 9 = 8 56: 8 = 5 8 4 6 9 7 3 2