384
8
9
178
2
8
525
2
8
599
2
8
536
2
7
494
0
7
334
5
7
422
1
7
447
1
7
167
0
7
557
2
6
372
4
6
223
0
6
186
0
6
194
0
6
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Keyword(s): #練習問題