3414
11
130
3618
11
120
2385
9
80
1512
0
66
1881
8
64
810
8
41
650
4
40
734
4
39
1615
0
36
1332
10
33
574
0
28
547
2
22
672
2
12
577
3
10
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Keyword(s): 数学勉強法