20+4= 29-9= 65-5= 40+8= 32-2= 14-6=
26-6= 50+5= 7+9 30+3= 58-8= 7+90=
20-9= 15-9= 13-5= 11-6= 6+10-8= 12-3-6= 6+8+10= 11-3-7= 0+12= 13-6-3= 14-9+8= 12-5=