Matching Pairs CÁLCULO MENTALOnline version CÁLCULO by JORGE V.T 1 45+12 2 81:9 3 91+10 4 14+27 5 15:3 6 35-2+4 7 40 X 10 8 7+25 9 8+2+26 10 75:3 5 36 32 37 9 101 40 41 57 25