| | ︹ 2020 ︺10 | | | | | | | | | | | | | 2020 3 30 | | | | | | | 649 | | 2015 | 30 | | 2013 210 | | 2015 36 | | | ︹ 2017 | ︺259 | | | ︹2017︺315 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 12 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. | | | | | | | 2. | | | | | | | | 1 ⑵ 3 | 4 | 5 6 7 | | 8 | | 9 | | | | | | | 3. | 1 | | | | | | 2 | = | | 3 | | | | | 4. | 1 | | | | 2 | = | | 3 | | | | | 5. | | | A B 70% C 60% | 70% | 100% | | | | 50000 | | 1000 | 3000 | 10000 | | 1. | | | | | | | | | | 2. | | | | | | 1. | | | | | | | 2. | 1 | | | | | | | | 5000 | 4000 | | | 2 | | | | | | | | 3 | | | | 500000 | 4 | | | | | | | 100% 50000 | | 70% | | 30000 | | | 10000 | 20000 | 5 | | | | | | | | 9 | | | | | | | | 10% | | | | | | | | | | | | | | | | | | | | | | | 2% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 4 1 | | ︹2018 | ︺51 | | | | |