54353
22
2823
21969
3
577
3944
4
178
2963
2
121
1982
6
94
1343
0
88
1657
0
79
575
0
50
877
4
49
1126
2
45
1754
0
42
773
0
42
1459
0
41
1352
23
33
958
0
32
470
0
30
712
0
25
817
2
21
1487
4
20
345
0
18
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 中学理科 公式