680
0
9
659
0
9
1051
0
9
190
0
9
451
2
9
723
0
8
430
0
8
361
1
8
217
2
8
341
2
8
212
2
8
359
0
8
473
0
8
256
0
8
386
0
8
291
0
8
Didn't find what you're looking for? Try searching on Q&A, too!
Keyword(s): 減法