1609
16
21
494
5
21
659
0
21
745
0
20
331
0
19
921
0
19
978
0
18
372
0
18
868
0
18
935
0
18
509
0
17
342
2
17
583
3
16
679
2
15
694
0
15
948
2
15
877
0
15
338
0
14
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Keyword(s): 解の公式