小数脱式计算图文稿

1、集团文件版本号：（M928-T898-M248-WU2669-I2896-DQ586-M1988）小数脱式计算（一）小数加减法计算3.20.364.81.64 0.4566.223.78 6.94.83.11.293.72.716.3 0.398+0.36+3.64 4.025.40.9873.81.6413.85.36 7.140.532.47 5.171.83.235.61.815.67.2 66.868.661.34 36.83.96.17.852.340.854.66 13.354.682.65 9.64.83.65.272.860.661.63 3.687.562.68 47.87.

2、45+8.83.822.90.189.1 1.27+3.9+0.73+16.1 1.57+0.245+7.432.648.677.3611.33 0.134+2.66+0.866 1.76+0.195+3.2423.40.813.47.2 15.02-6.8-1.02 82.451.553.251.790.591.75 1.233.40.236.6 7.54.96.5（二）小数乘除法计算0.2516.24 3201.2583.9（1.35）3.522.50.49.60.80.42.52.43.20.2512.515（0.150.4）2.7458.542.50.40.250.7344.63.5（

3、二）小数乘除法计算0.8（4.31.25）4.3612.580.250.7343201.25817.8(1.784)4.51.812.50.960.81.252.5324.91.40.35（1.252）0.863.42.50.40.25363.20.2512.512.50.960.84.23.515.20.2541.252.5320.491.4181.80.1250.89300.6570282.311.60.51.250.258.54150.255.61.250.82.50.4?0.12516.216小数简便计算练习四7.0910.80.87.093.723.56.283.527.53.77.

4、53.73.834.563.835.443.92.73.97.37.60.80.27.6乘法分配律的运用二3.140.6831.40.03232.40.090.13.241.288.67.2862.316+2.322+230.29.16150.591.61010.87-0.9187乘法分配律的运用三28.610128.61.879.90.18758.581-8.5(45.932.7)80.125(1.250.125)8（2.50.25）0.4乘法分配律的运用四0.8100.10.791990.8519 93.6510.1? 4.61020.651017.74（2.81.3）1.52.26465723865.84.84.84.26.121.25-2.121.257.0910.80.87.097.245.22.765.236.73.73.76.70.89100.10.859.90.324034.810.14