340
0
13
378
0
13
288
0
13
846
0
13
342
2
13
335
0
13
571
0
13
2656
1
13
348
4
12
918
13
12
244
0
12
258
0
12
562
0
12
387
0
12
689
4
12
724
2
12
333
0
12
382
2
12
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Keyword(s): 中1数学