5+1
6
10+5
15
9-6
3
15+76
91
8+3
11
11+21
32
5-3
29-15
14
6+4
10
15+36
51
8-4
24+74
98
7+6
13
32+32
64
9-8
1
99-56
43
6+9
65+34
99
5-2
89-58
31