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