1、列竖式计算：0.342.5= 1.51.7= 243.2640.280.39= 4.22.4= 101.7968.84 85.4416 67.515289.918 列竖式计算：16.828 15.624 0.138151.3527 0.41632 3.645291.23.80.7560.18 51.30.27260.13列竖式计算：2101.4 2.6880.56 6.350.81.2510.62525 12645 10252.77.5 150.06 25.60.032365.5 列竖式计算：183.06 3.4521 0.871.50.280.25 1500.12 7.062.45.7 0.
2、40.076 1.50.062 6.50.048.710.1 用简便方法计算：2.56.80.4 2.53.21.25 21.360.82.9 1020.45 8.277.521.733.52 0.79990.79 2.83.23.27.20.15 0.7518 7282.530.2 10.51.03 保留一位小数：88513 0.720.7 3.182.82.176 0.2415 0.7634 1.0516500.130.2 1.250.70.8 0.32.50.40.78100.5 1.5102 1.22.5+0.82.5保留一位小数：14.362.78.336.21.70.03270.4
3、3 0.861.2 1.21.4保留两位小数：3.817 246.413 7.090.520.170.8 保留两位小数：2.70.35 32421.251.22.410.7除不尽的用循环小数表示1623.6= 1311= 4.60.27=用简便方法计算：12.54.8=1.012.6= 3.89.9=用简便方法计算：0.125 2.53.2= 0.93201= 87147+87153=（7.04+2.76）1.2= 4.250.99+0.01= 12532= 7.062.45.7= 2.330.54= 0.65105=3.760.2525.8= 用简便方法计算：4.80.25= 1.22.50.82.5= 1.39440.84= 28.30.12.7= 58.360.518.2= 1.018.5= 0.79980.79 2= 0.481.25= 0.255.80.4=0.2251.5（4-3.68）10
