3+6= 5+5= 9-4= 10-7=
8-5= 0+6= 7-3= 9-6=
8-0= 10-1= 2+1= 4+4=
3+7= 1+5= 4-3= 6-6=
4+2+3= 10-4-6= 7-5+3= 9+0-9=