Matching Pairs calculo mentalOnline version Observa, suma y contesta by Ponce Vazquez Gabriela 1 31 + 41 + 50 = 2 12 + 22 + 32 = 3 30 + 25 + 10 = 4 30 + 40 + 29 = 5 35 + 50 + 12 = 6 15 + 25 + 35 = 7 14 + 35 + 46 = 8 100 + 28 + 32 = 9 72 + 22 + 40 = 10 18 + 10 + 60 = 66 97 134 160 65 88 75 122 99 95