446
4
10
1252
3
10
1802
2
10
710
0
9
291
2
9
492
0
9
1135
0
9
551
0
9
692
0
9
451
2
9
269
0
9
437
0
9
418
3
9
746
0
9
214
0
9
354
0
9
978
0
9
784
0
9
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Keyword(s): 中2 数学