2301
2
118
1852
1
87
1679
4
85
1053
11
68
768
2
39
493
0
31
549
2
25
333
0
20
233
3
19
535
4
18
275
1
16
623
7
16
257
2
13
327
0
12
423
3
11
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Keyword(s): 一次方程式