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