222
2016 12 9 80
2017 1 17
2015 3 27 212 2017 1 17
3
10 20
1
2 5
2015 5 1 2013 2 22 2013 23
400000m2 =[100000 1.5/m2 + 400000m2 -100000m2 1.0 /m2]=450000
=450000