| | 1. | | | | 2. | | | 3. | | | | | | | | 4. | | 2 | | 5. | | | | | 6. | | | | | | | | | | | | | | | | | 2 3 | | | | | 50 60 | | | | 10 30 | | | | | | | | | | | | | | | 1. | | | 2. | | 3% 5% | | | 3. | | 4. | | | | 5. | | 6. | ︵︽ | ︾ ︶ | |