756
4
40
1052
0
40
1293
0
39
838
0
39
1155
0
39
1307
2
39
1187
0
39
877
0
39
881
0
39
864
0
39
1202
4
39
994
5
39
1077
1
39
751
2
38
1576
2
38
1124
0
38
1024
0
38
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 数学 問題