5+3
8
10-5
5
15+5
20
5x0
0
22+33
55
27-12
15
25-4
21
2x1
2
47+29
76
52-37
56+29
85
10x5
39+89
128
86-49
37
45-17
28
5x6
30
126+117
243
123-57
66
109+123
232
6x4
24