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