12/4
3
2
8+8
16
10-5
5
456+789
1245
22/2
11
5x4
20
50+50
100
12-8
4
168-42
126
36/3
12
6x6
36
36+36
72
68-56
43x5
215
124/2
62
9x9
81
49+49
98
124-78
46
56/7
8
298/2
149
8x7
56
123+123
246
324-174
150
345+678
1023