388
0
2
156
0
2
266
0
2
151
0
2
666
0
2
222
0
2
392
2
2
163
0
1
492
0
1
326
0
1
477
0
1
339
0
1
202
0
1
251
0
1
272
0
1
463
2
1
348
0
1
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Keyword(s): 減法