607
0
19
364
0
19
699
10
19
748
0
19
461
0
18
602
0
18
833
0
18
723
0
18
385
2
18
748
0
18
434
0
18
798
6
18
647
4
18
466
0
18
550
0
18
820
0
18
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Keyword(s): 中1 数学