1、20122011-1 -2 3 1 -2 -3 -(1) ,(2) (3) 1 -2 xxx3 4 5 6 xxxx 2011121520112012-20112012 - -2012-2012800 -800 1000 12 20121-42420% 160 20% 16060% 480 1 02 3040 3 4050 4 6075 5 150(200) 6 100(130) 7 80(100) 8 80(100) 9 80(100) 10 140(180) 11 30(40) 12 10(20) -1224 2012a+b+c+? a46 22-425 80% 50% b5 3 c 8-
2、10 30a+b+c=145145*3=435 ()2012,100% - -2012 201520152015-1. 952. 20914320143. 1591311454. 261. 2. 3. -1. 2. 3. 4. -5. -6. 7. -8. -9. 1. 2. 3. 4. -1. 2. 3. -4. -1. 2. 3. -4. 1. 2. 1. 1-22. 20154434554965.36447472.5(550100120000)334579.42842793.072223. 20159.7%90.3%9-54. 1. 42938689.98%14111782.98%28826993.40%2. 3. 90%7.0295%1.692.5%2.52
