7+6= 5+9= 8+7= 5+8=
7+9= 9+8= 5+7= 8+4=
9+3= 9+9= 3+8= 6+5=
7+4= 8+8= 6+8= 2+9=
7+7= 3+7= 6+6= 6+9=
8+6= 3+8= 5+5= 7+8=
12–4= 15–6= 14–7= 11–8=
14–9= 15–7= 15–9= 16–7=
13–6= 16–9= 11–5= 12–8=
11–7= 18–9= 17–8= 14–8=
13–7= 15–8= 14–5= 11–9=
17–9= 17–9= 11–5= 13–8=