7974
10
486
13230
0
480
9867
0
466
9571
10
428
7136
27
420
5206
0
393
9922
0
377
6852
0
374
6549
0
332
6535
46
313
4713
0
271
1823
0
257
3758
0
252
3348
8
233
7940
2
222
8259
25
214
2691
0
207
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Keyword(s): 数学 勉強法