小数乘法简便计算精选一线教师 倾情奉献 8Word下载.docx

1、997.58 0.5131010.5135.62.5 0.719990.56.590.02 1.510010.0256.8140 4.65.55.45.54.73.73_0.25（0.40.04）（_6.56.83.56.8（_）0.4640.2 1010.716.16996.16 0.283100010.2836.40.25 0.21980.051.061024.050.04 4.59.65.59.69.70.05_（0.52.49.27.69.2（_）0.8212.50.8 9990.899.6499.64 0.2421010.24225 0.41997.660.02 2.51012.50

2、.91400 0.15.29.95.23.61.4_（0.931.28.68.88.6（_）0.9760.125800 1010.667.3697.36 0.698100010.6984.425 0.149984.21200 2.51.614 4.71.25.31.27.96.73_（0.187.39.42.79.4（_）0.8995000.002 990.855.149995.14 0.6271010.6277.2250 0.386.77200 1.210024 5.44.94.64.98.82.97_（0.535.47.74.67.7（_）0.2470.04 1010.556.25996.

3、25 0.434100010.4340.025 0.511.7420 2.210034.870.4 4.38.55.78.50.11.19_（0.724）（_6.84.63.24.6（_）0.2570.2 9990.177.32997.32 0.677100010.6774.630.02 1.17.8140 4.15.55.93.11_（0.391.92.11.9（_）0.4561.25800 990.3694.87 0.219100010.2190.025 0.369.4420 1.51041.580.04 8.84.61.24.69.34.66_（0.343.71.36.31.3（_）0.1390.02 10010.615.2695.26 0.368110.3680.25 0.440.72200 1.46.790.04 1.71.98.31.9