| | | 2018 | | 2011 | 2018 | | | | | | | | | | | 1. | | | | 26 | 12 3 36 | 5 | 3 15 | 4 6 24 | 7 | 7 | 8 | | 10 | 13 | 120 | 2017 | | 6 3 1 | | 2. | | | | | | | | | | | | | | | 3. | | | 1 3 4 5 | 6 7 8 13 14 16 19 21 23 | | | 4. | | | | | | | | | | | 5. | 14 | | 16 | | 10 | | | 19 | | 21 | | 23 | | | | 25 | | | | 1677 | | | 1. | | | | 5 | 3 15 | 5 0.19 % | 655 24.5 | % | 13 | | | | a x-3 | 14 | | 1 | =1000000 | | 15 | | | 16 | | | 17 | | 2. | | | | | | | | 3. | 15 | a2 a+3 b2 b+3 | | | 19 | | 21 | | 23 | | 25 | | 26 | | | 4. | | | 5. | | | | | | | | | | | | | | | 1. | | | | | | | 2. | | | | 3. | | | | | 4. | | | | | | | | | | | | | | | | | 2019 4 |