455
0
9
1806
4
9
479
0
9
1778
0
9
238
9
9
586
0
9
355
0
9
534
0
9
1149
3
9
211
0
9
356
0
9
1461
15
9
429
0
9
246
4
9
2716
2
9
918
0
8
271
0
8
475
4
8
2460
0
8
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Keyword(s): 小6 理科