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8 questions
41+32
73
123
1211
2411
53−21
101
32
102
31
118+52
1610
85
5510
1557
109−43
66
203
4012
103
121 +43
3
241
164
132
341−52
393
2
32013
22017
521+ 231
752
765
762
361
492− 152
3
341
253
24537
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