36+40= 82-9= 69-6= 40+60=
12-5= 40+8= 50+24= 6+72=
4+58= 71-10= 91-5= 80-8=
55+4= 6+26= 3+57= 13-8+30=
100-30= 15-4= 14-7= 25+8-30=