326
0
4
616
0
4
429
0
4
413
4
4
645
11
4
507
0
4
613
0
4
233
3
4
361
1
4
207
0
4
260
0
4
418
0
4
399
0
3
544
2
3
178
0
3
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Keyword(s): 数学2