212357
87
11428
47538
7
2615
44521
13
1548
32641
2
1314
40413
7
1264
20708
8
670
9088
5
389
11439
3
336
8578
7
332
9422
6
211
11253
0
200
9638
4
185
24378
2
152
4710
1
142
5985
7
141
5709
1
121
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Keyword(s): 数学 二次方程式