| 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 | |