5-2
3
4-3
1
190-1
189
8-3
5
6 × 9
54
9-9
123 ÷ 3
41
6-2
4
103-12
91
98 ÷ 9
10.8888888889
20-1
19
40-1
39
10-34
-24
300-200
100
100-34
66
2-1
2
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