小数乘法简便计算强烈推荐112.docx

1、小数乘法简便计算强烈推荐1120.46.32.50.42.50.1252089.25.5+9.24.52.50.670.40.26(300+9)8512.5919.9654.1+6.5596.41.259.87.1-0.986410.10.46.70.252.80.2512.5200.879.5+70.52.50.740.40.28(100+5)84.31.25729.9413.7+4.1630.812.51.38.1-0.139410.10.45.7252.80.250.1253848.2+41.80.250.9240.26(300+8)0.89.10.125239.9664.4+6.656

2、3.21.252.52.1-0.258810.10.047.40.2540.250.1258889.43.5+9.46.52.50.4540.24(200+1)0.89.112.5969.9211.6+2.1840.812.51.25.1-0.124810.10.042.12.53.60.251.25720.872.4+77.62.50.860.40.24(100+7)0.85.91.25289.9182.3+1.8770.81.256.58.1-0.653510.10.0490.250.82512.535811.3+18.72.50.6240.21(300+4)861.253710.1914

3、.1+9.15980.1255.89.1-0.583110.145.40.251.60.251.256584.47.5+4.42.52.50.760.40.21(300+4)0.87.51.25499.9391.5+3.98541.257.41.1-0.74959.947.8250.4250.125270.84.91.3+4.98.7250.4640.26(200+4)0.85.91.25299.9473.7+4.7633.212.52.45.1-0.245510.10.044.60.2522512.568898.8+91.2250.860.40.28(500+7)0.82.21.254010

4、.1634.4+6.35681.256.15.1-0.61259.90.043.30.250.4251.25700.80.93.2+0.96.82.50.7540.21(200+5)85.712.5529.9375+3.75080.1251.28.1-0.12759.90.49.12.542.51.25240.83.26.4+3.23.60.250.590.40.24(400+1)83.81.251210.1905.1+9494.81.259.88.1-0.98719.90.45.70.252.4251.25510.80.89.7+0.80.30.250.920.40.22(400+5)85.

5、70.1256810.1214.7+2.15341.257.63.1-0.763910.143254251.25140.891.8+98.22.50.490.040.25(100+1)84.50.1258910.1243.2+2.4683.20.1254.64.1-0.46859.946252.42.512.520.84.86.8+4.83.22.50.4640.21(100+5)860.1256410.1553.3+5.5670.812.58.82.1-0.88579.90.043.52.50.8250.1257589.46.5+9.43.52.50.750.040.23(500+2)86.70.1252810.1943.2+9.4681.612.56.29.1-0.62149.90.047.10.254251.25510.81.83.6+1.86.4250.950.40.23(300+8)0.86.71.25699.9372.3+3.7776.40.1252.31.1-0.23829.90.044.52.50.42.51.253880.55.3+0.54.72.50.830.40.25(200+1)831.252410.1