9x9
81
72+36
108
98-62
36
2x12
24
4,567+6,112
10,679
43-15
28
11x10
110
802+189
991
21-13
8
5x4
20
11,809+2,007
13,816
909-276
623
9x3
27
36+45
56-39
17