| | | | | | | | 2020 52 | | | | | | | | 1. | 2. | 3. | | 1. | ① | | | ② | | ③ | | ④ | | ⑤ | 2. | ① | ② | ③ | | | | ④ 13 | | 13 | ⑤ | | ⑥ | ⑦ | | 1. | 2. | 3. | | 1. | | 2. | 3. | 4. | | | | ① | ② | ③ | | | | ④ 13 | | 13 | | ⑤ | | ⑥ | ⑦ | | 1. | | | 2. | 14 | | | 3. | | 13 | | | 13 | 14 | | | | 1. | | | | 13 | | | 13 | | | | 1. ① ② | ③ | | 2. | | 3. 24 3 | | 4. | | | 5. ① ② | ③ ④ ⑤ | ⑥ | | |