750
5
31
8530
0
31
876
0
31
766
6
31
915
4
31
766
0
31
989
0
31
2293
2
31
1243
0
31
153
0
31
300
2
31
1210
0
31
2176
2
31
446
0
30
1092
1
30
2351
4
30
1389
16
30
1664
0
30
2571
15
30
653
0
30
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Keyword(s): 数学 問題