小数乘法简便计算强烈推荐186.docx

1、小数乘法简便计算强烈推荐1862.50.590.40.24(200+5)0.86.312.58710.1723.2+7.2683.212.56.52.1-0.654710.10.42.62.52.80.250.1254085.36.5+5.33.52.50.620.040.28(500+3)881.254210.1653+6.5701.60.1251.17.1-0.11689.90.048.20.250.42512.5700.88.32.5+8.37.50.250.590.40.29(100+7)0.82.212.56510.1854.9+8.5513.212.56.26.1-0.624010

2、.144.92.50.4250.125530.84.81.5+4.88.50.250.990.40.27(500+7)87.512.52310.1925.5+9.245412.54.25.1-0.42269.90.41.32.53.62512.56687.87.1+7.82.92.50.660.40.28(300+1)83.50.125649.9533.6+5.3642.41.259.98.1-0.99199.946.22.51.6251.25700.87.46.6+7.43.4250.840.23(100+9)0.860.125129.9152.9+1.5710.81.255.65.1-0.

3、562910.149.90.2522.51.253685.91.3+5.98.70.250.8940.22(400+4)82.60.1254310.1664+6.660812.57.14.1-0.716710.10.043.80.252.42.50.125810.81.36.9+1.33.1250.640.23(400+2)83.71.25209.9412.6+4.17440.1259.87.1-0.98209.90.044252.82.51.252883.81.2+3.88.8250.670.40.25(200+8)0.88.112.51510.1221.7+2.2831.60.1259.7

4、8.1-0.97439.945.10.252.42.512.5210.85.95.7+5.94.30.250.720.040.22(400+7)8412.5829.9483.2+4.8686.40.1253.86.1-0.384210.145.80.252.40.251.25590.823.5+26.52.50.8340.22(100+1)0.83.40.1251710.1554.2+5.558812.59.86.1-0.98899.90.47.30.250.40.2512.5660.86.31.1+6.38.9250.770.040.22(500+6)85.91.25389.9432.1+4

5、.37981.254.42.1-0.449010.10.045.72.50.4250.125470.88.96.7+8.93.30.250.490.40.27(300+1)88.11.255210.1895.5+8.9450.812.54.85.1-0.48739.90.42.6251.60.251.255485.67.1+5.62.92.50.780.40.28(100+4)88.312.5859.9572.8+5.7723.21.256.96.1-0.69209.90.45.92.52.8250.125350.89.26.2+9.23.80.250.540.28(400+5)0.85.212.5859.9224.6+2.2547.21.251.41.1-0.145210.10.41.50.250.8250.125750.811.6+18.40.250.860.040.25(200+2)0.85.60.125799.9363.8+3.6620.81.2559.1-0.5169.90.40.60.254251.252484.23.7+4.26.32.50.540.25(300+2)86.20.125729.9463.5+4.6653.21.258.73.1-0.878310.1