■ メモ

69,120 / 24 = 2,880
61,200 / 24 = 2,550
39,800 / 24 = 1,658.333
26,640 / 24 = 1,110

36,720 / 12 = 3,060
31,920 / 12 = 2,660
21,600 / 12 = 1,800
15,720 / 12 = 1,310

20,220 / 6 = 3,370
17,520 / 6 = 2,920
12,000 / 6 = 2,000
08,460 / 6 = 1,410