用简便方法计算 0.32403 0.2536 7.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.35 0.8(4.31.25) 3.123.1299 28.610128.6 0.8614.70.8614.7 2.4102 2.311.20.5 (2.50.25)0.4 9.161.50.59.16 3.63.60.5 32.40.90.132.4 4.51.8 4.23.5 9300.65 63.42.50.4 4.91.4 3.9(1.35) (7.71.54)0.7 2.52.4 2.745 0.351.2520.8 150.25 7028 15(0.150.4) 4.252.59.90.173