2+3
5
7-4
3
9+8
17
5-2
8+3
9+9
18
8-8
0
2+6
8
8-1
7
9+2
11
60+11
71
85-30
55
46+38
84
36-19
40+50
90
20+50
70
55-30
25
28+58
86
26-26
50+17
67
112+504
616
540-120
420
626+175
801
230
720+90
810
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