2057
0
72
4064
0
67
2447
0
67
2886
0
65
2345
0
65
2501
0
63
1639
6
61
3249
4
60
1306
2
59
1844
0
55
1436
3
50
1995
0
49
11560
0
49
960
0
49
863
0
48
1729
0
47
1861
0
47
1780
0
47
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Keyword(s): 2次方程式