1152
3
50
549
0
49
597
0
49
799
2
49
875
0
49
864
8
49
542
4
49
921
6
49
503
4
48
759
0
48
475
5
48
841
8
48
822
8
48
940
19
48
943
8
48
1494
6
47
814
2
47
2538
14
47
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 中学 数学