| 1. | | 2. | | 3. 14 | 10 | | 4. | 5. | | | | 6. | 1 | | 2 | | | 3 | | 1 | ① | a. | | b. | c. | d. | ② | | ③ | ④ | ⑤ 3 | ⑥ | 2 | ① | | ② | ③ | | ④ 5 | 3 | ① | ② | ③ | ④ | 4 | ① | ② | ③ | ④ | 5 | ① | | ② | ③ | | ④ 10 | 6 | ① | | ② | ③ | ④ 2 | 7 | ① | ② | ③ | ④ | ⑤ | | | |