+5
2/4 x 6/2
-3
3x2
6x6
7x2
-6
7+2
5x5
+2
9+3
4+6
2/3 x 5/3
+4
3/2 x 5/2
-1
-4
3/1 x 3/4
2/3
1/4
+3
2+2
2/1
5/2