29854
6
524
18209
14
381
18874
8
371
16582
10
368
6790
5
210
9363
4
174
3848
0
174
4126
5
162
5220
0
150
4601
1
120
2734
6
101
1717
8
78
1699
5
78
2608
16
67
1120
0
65
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Keyword(s): 一次方程式