2686
6
42
811
5
42
961
1
42
7121
0
42
1422
12
42
1274
0
42
895
2
41
1654
0
41
1112
20
41
1286
0
41
1123
6
41
1278
0
41
1114
1
40
2480
3
40
892
0
40
1261
2
40
2575
3
40
990
0
40
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Keyword(s): 中2 数学