381
0
5
981
0
5
208
0
5
323
0
5
327
0
5
239
0
5
236
0
4
371
0
4
251
0
4
261
0
4
305
0
4
415
2
4
186
0
4
363
0
4
530
0
4
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Keyword(s): 数学 作図