544
2
13
847
0
13
335
0
13
573
0
13
310
0
13
400
0
13
2661
1
13
621
0
13
478
0
13
545
0
13
729
18
13
447
0
13
561
4
13
615
0
13
349
4
12
313
0
12
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Keyword(s): 中1 数学