456
0
9
1806
4
9
480
0
9
1778
0
9
242
9
9
588
0
9
355
0
9
534
0
9
1154
3
9
214
0
9
357
0
9
1463
15
9
432
0
9
246
4
9
2717
2
9
919
0
8
271
0
8
476
4
8
2464
0
8
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Keyword(s): 小6 理科