5502
15
397
3455
17
231
1508
4
105
1418
13
103
2077
10
93
1511
0
88
1679
4
85
1129
3
73
775
5
59
918
5
59
878
4
58
774
6
51
809
0
48
1512
6
47
768
2
39
718
0
39
880
10
34
568
6
32
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Keyword(s): 1次方程式