492
0
17
453
4
17
572
0
16
446
0
16
366
2
15
346
1
15
269
2
14
321
4
13
238
0
12
503
1
12
394
0
11
467
0
11
396
0
11
451
12
10
353
2
9
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Keyword(s): 方程式とその解き方