| | | | | | | | | | | | | | 1 | | | | | 2 | 3 4 | | 5 6 | 3 | | | | | | ① 0．1％ | 1 2 3 5 ② | 10 20 | 1 2 3 5 ③ 1％ | 2％ | ④ 5％ | 500 50 100 | 4 12 | 1 2 2 3 | 10 20 | 2 3 | | | | | |