小数乘法简便计算强烈推荐4.docx

1、小数乘法简便计算强烈推荐40.045.3252.82.51.25530.82.48.1+2.41.90.250.760.40.29(100+3)0.8912.59410.1423.4+4.266412.55.25.1-0.52589.90.049.60.252.8250.1252382.17.9+2.12.1250.690.040.26(200+7)0.88.712.5349.9473.1+4.76980.1259.33.1-0.93169.90.042251.2251.251181.92+1.982.50.6740.29(200+2)0.84.412.57110.1664+6.6607.21

2、.255.76.1-0.57849.943.9253.6250.125140.80.62.8+0.67.20.250.820.040.26(200+5)82.712.5179.9284.7+2.85341.257.85.1-0.78529.90.43.82.53.60.250.1253784.74.1+4.75.92.50.710.40.27(500+6)83.512.5529.9693.7+6.963812.54.72.1-0.472510.10.046.42.52.80.250.12590.83.84.5+3.85.5250.9840.28(100+1)0.88.90.1253810.15

3、71.5+5.7852.40.1258.18.1-0.812310.140.32.52.80.250.1256089.24.2+9.25.80.250.9840.26(500+6)831.252710.1914.5+9.1552.40.1252.84.1-0.28829.949.42.51.22.50.1252384.84.4+4.85.6250.550.40.26(100+9)0.86.81.251910.1311.7+3.183412.52.67.1-0.26519.90.047.60.252.42.50.125760.84.19.6+4.10.40.250.4940.25(500+7)8

4、6.51.254010.1764+7.66041.254.24.1-0.426910.10.047.42.52.82.50.1252887.77.9+7.72.1250.7640.26(400+8)85.712.5439.9192.5+1.975812.58.26.1-0.82589.949.7250.42512.59682.76.9+2.73.10.250.7740.21(100+6)0.871.25149.9872.9+8.7714.80.1252.69.1-0.261710.10.045.9250.8251.25910.86.64.1+6.65.92.50.740.27(500+5)85

5、.712.52310.1883.3+8.8673.212.55.33.1-0.53879.946.70.253.60.2512.51883.23+3.27250.910.40.29(100+9)85.412.5599.9191.7+1.9831.61.254.12.1-0.415810.10.41.92.542.512.530.81.67.7+1.62.32.50.740.40.23(200+1)88.40.1251210.1974.5+9.7550.80.1258.61.1-0.862710.140.60.253.62.512.59181.17.1+1.12.90.250.850.40.28(100+3)0.85.30.1252110.1864.7+8.6535.612.58.67.1-0.869010.10.042.70.252.40.250.12557862.5+67.50.250.990.040.27(100+3)0.89.80.1256910.1142.9+1.4714.81.259.76.1-0.973310.10.44.90.2522.51.25150.81.26.6+1.23.4250.530.40.28(200+2)0.87.80.1253410.1