2683
6
42
810
5
42
959
1
42
7113
0
42
1417
12
42
1271
0
42
893
2
41
1653
0
41
1111
20
41
1284
0
41
1123
6
41
1277
0
41
1114
1
40
2479
3
40
890
0
40
1257
2
40
2574
3
40
986
0
40
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Keyword(s): 数学 中2