1、列竖式计算 27.09-9.28= 22.45-19.156= 9.07+2.88=5.3214.89 7.685.99 10.7318.625 72.272.8 0.1219.879 2.981.022 5018.43 12.209.09 30.0513.4726.319.12 28.615.46 5315.78 2. 脱式计算3.71.980.026.3 13.24.646.85.36 9.025.231.89 19.38(5.382.43) 103.253.75 5.364.284.642.72 37.7(8.987.7) 1(0.2130.199)15.73(6.253.73) 107.245.87 5-(4.19-2.83)70.91.251.75 9.058.83.21 2.549.169.469.16 54.36(38.0813.95) 4.932.851.93 (27.168.223)(72.4827.847)103.684.32 10045(30.629.38) 15.89-(5.89+6.98) 4.9+12.87-5.38 75.6-10.8-9.2 1.39+0.72+0.61+3.28