| | | | 577 | | 2020 19 | | | | | | | | | | | | | | | | | 1. | 70% | 15% | 2. | | 15% | | | 3. | | | | 1. | | | | 2. | | 3 . | | | | 4. | | | | 5. | | 6. | | | | | | | 1. ① | ② | ③ | | | | | 2. ① | | ③ | | | 1. | 10 | 90 | | 2. | | 8000 | 3. | | | | | | | | | | | | 15000 | 3000 | | | | 10000 | | 2000 | | | | 8000 | | 1000 | 4. | | | 15 | | | 120 | | 100 | | 80 | | 5. | | | | 160 | 30 | | | 8 | | 80% | | | 6 | | 50% | | 3 | | | | 1 | | | | 2 | | | | | 3 | | | | 1. | ① | ② | | ③ | 2 . | ① | ② **** | | ③ | | ④ | | | 1. | ① | | | | ② | | | ③ | | | | | 2. | ① | | | ② | 5 | | | 15 | | | | 15 | | | | | | | | 2021 83 | | | | | 2023 11 | | | | | | | | | | |