42+53= 9+32= 32+57= 300+110=
88-26= 77-57= 62-36= 80+220=
52+35= 23+69= 47+33= 36+20=
62-18= 60-26= 86-37= 35-26=
86-26= 50-19= 61+35= 47+28=