642
6
19
1345
0
19
779
0
19
1811
0
18
788
0
18
1133
2
18
1143
0
18
940
0
17
870
0
17
695
0
17
785
10
17
695
0
17
885
0
17
798
0
17
851
0
17
1246
0
16
461
0
16
445
0
16
740
0
15
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Keyword(s): 中3 数学 関数