| 1. | 50 | | 50 | 50 99. | 63% | | | | | | | | 2 . | 5 1 | | | | 12 12306 | | | 5 1 | | | 3 . | | | | 5 | 1 | | | | | 4 . | | 5 1 | 1.0 | ① | | ② | | | ③ | | ④ | | | 5 . | | | | | | | | | | 6 . | | 5 1 | | | 5 | |