178
0
8
262
1
8
114
0
8
244
0
7
396
0
7
271
0
7
400
0
7
285
2
7
258
0
7
132
0
6
391
0
6
213
0
6
423
4
6
180
2
6
255
1
6
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Keyword(s): 平方根