| 1 | | | 26 A B | | 600 A 60% B | 70% | A 2 2 | | | | | | | | | | B | | 32 | | 600 | | 80% | 2 2 | | | | | | | | | | | | | | | | | | | 6 | | | | | | | | 10% | | | 2 | | 1. | | | | | | | | | | | | 2. | | 3. | | | 4. ① | | | ② | | | | APP | | | | | | 3 | | 1. | / 600 | 2. | 70% | 3. | | | | 4. ① | | | ② | | | ③ | | | | |