406
3
12
603
0
12
654
1
12
763
0
12
657
2
12
330
1
12
479
2
12
453
0
12
709
0
12
645
0
12
607
0
12
364
0
12
966
0
12
476
0
12
643
0
12
755
0
12
405
0
12
642
0
12
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Keyword(s): 中2 数学