563
2
6
286
0
6
177
0
6
252
0
6
322
0
6
327
0
6
793
0
6
310
0
5
255
0
5
155
0
5
338
0
5
542
0
5
218
0
5
344
0
5
299
0
5
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Keyword(s): 数学 作図