51-19= 86-39= 66+26= 79+18= 40-15= 55+39= 87-38= 80-51= 73-37= 80-21= 50-43= 3+58= 80-32= 93-15= 66+24= 90-61= 49+33= 72-29= 91-42= 22-19=