331
0
16
855
2
16
1170
4
16
490
0
16
661
4
16
896
0
16
527
0
16
681
2
16
1110
2
16
420
1
15
1079
0
15
417
0
15
601
2
15
422
2
15
1064
1
15
343
0
15
825
0
15
280
4
15
429
0
15
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 中1理科