1 :120/150 x100% = 80%
2 1: 210*70% = 147元
2: 140/(70%) = 200 元
3: 560/(70%) = 800 800 x 30% = 240 元
3 (8-5)x (30-5) - 5(5-4) = 70元
4 ( 20 +22) / ( 1-30%)= 60 千米
1 :120/150 x100% = 80%
2 1: 210*70% = 147元
2: 140/(70%) = 200 元
3: 560/(70%) = 800 800 x 30% = 240 元
3 (8-5)x (30-5) - 5(5-4) = 70元
4 ( 20 +22) / ( 1-30%)= 60 千米