1+3
4
17-4
13
4×5
20
10÷2
5
32
9
14+6
35-8
27
7×3
21
30÷3
10
72
49
24+73
97
74-39
35
12×5
60
51÷3
17
142
196
32+79
111
247-215
13×9
117
78÷3
26
192
361
185+767
952
790-538
252
15×20
300
153÷3
51
625
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