997
20
41
1170
0
41
1004
6
41
1179
0
41
1034
1
40
2331
3
40
797
0
40
1143
2
40
2445
3
40
922
0
40
635
0
40
1052
0
40
1288
0
40
993
5
39
3857
6
39
910
0
39
1064
1
39
1385
6
39
1307
2
39
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Keyword(s): 数学 中2