25 + 6
31
12-7
5
5+5+5
15
14 + 20
34
22-4
18
20+20+20
60
10 + 70
80
50-10
40
20+30+50
100
100 + 2
102
75-15
90-80-10
0
333 + 222
555
333-111
222
555-222-111
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