3821
24
51
1555
2
51
1314
0
51
1718
19
51
2540
0
51
856
0
50
1509
4
50
2166
2
50
1264
3
50
1613
2
49
1166
0
49
682
9
49
1600
7
49
1373
0
49
12618
5
49
959
0
49
1387
0
49
2082
0
49
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Keyword(s): 数学 問題