5.3 = 2.0 5.2 = 1.5 5.1 = 1.2 5.0 = 1.0 4.9 = 0.8 4.8 = 0.6 4.7 = 0.5 4.6 = 0.4 4.5 = 0.3 4.4 = 0.25 4.3 = 0.2 4.2 = 0.15 4.1 = 0.12 4.0 = 0.1希望对您有帮助