912
2
11
1557
11
10
466
2
10
871
1
10
461
0
10
484
9
10
943
0
10
921
0
10
979
0
10
1800
2
10
720
0
10
731
0
10
1113
0
10
775
0
9
6576
0
9
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 数学a