3 *6
18
14:2
7
14+36
50
30-12
9 *7
63
72:8
9
78+45
123
46-19
27
12*3
36
98:2
49
123+45
168
120-12
108
45*6
270
100:4
25
580+420
1000
230-40
190
124*5
620
175:5
35
2345+55
2400
590-360
230
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