3233
2
171
2025
5
114
953
7
53
1224
3
50
857
2
49
1250
11
37
596
0
29
632
2
26
570
0
16
302
1
13
223
0
10
286
1
9
239
0
9
368
8
8
280
2
8
417
0
8
299
3
7
405
9
6
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Keyword(s): 数学、二次方程式