5+1
6
10+5
15
9-6
3
67-55
15+76
91
8+3
11
11+21
32
5-3
53-41
12
29-15
14
6+4
10
15+36
51
8-4
98-45
53
24+74
98
7+6
13
32+32
64
9-8
1
75-25
99-56
43
6+9
65+34
99
5-2
98-90
89-58
31
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