531
0
12
500
0
12
895
7
12
440
2
12
768
0
12
361
0
12
507
2
12
484
0
12
684
0
11
322
0
11
716
0
11
481
0
11
629
2
11
437
2
10
1828
0
10
639
6
10
153
0
10
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 数学 要点