小数乘法简便计算强烈推荐155.docx

1、小数乘法简便计算强烈推荐155635.1+6.3492.40.1257.22.1-0.72989.9482.52.42.512.5220.88.49.7+8.40.3250.770.040.29(300+6)0.87.512.5429.9991.6+9.98480.1258.78.1-0.878910.148.62.52.80.2512.54389.53.9+9.56.1250.510.40.29(400+5)0.84.912.5439.9862+8.6800.81.2559.1-0.54410.140.9250.42.51.256781.83.5+1.86.5250.9740.28(300+

2、4)85.20.125969.9132+1.3807.21.259.44.1-0.94909.90.049.90.253.62.50.1256685.96.5+5.93.5250.660.40.24(400+6)89.81.258410.1671.6+6.7844.812.54.18.1-0.41209.90.043.9253.60.2512.56087.96.6+7.93.42.50.740.26(400+1)82.212.5269.9854.7+8.5530.81.257.76.1-0.773710.10.48.70.254250.1253386.51.2+6.58.80.250.4840

3、.25(500+9)0.83.20.1256710.1163.7+1.6637.212.52.34.1-0.23539.90.047.72.53.62.50.125770.82.99.4+2.90.6250.8640.23(200+6)83.21.256010.1805.4+8466.41.259.46.1-0.941410.10.46.5250.80.251.25580.88.66.2+8.63.80.250.8440.24(200+1)0.840.1259510.1273.5+2.7653.212.54.12.1-0.411710.10.048.20.251.60.251.25390.80

4、.92.1+0.97.92.50.4840.28(500+6)89.61.25789.9912.5+9.1754.812.55.16.1-0.51589.90.430.250.82.51.25530.83.92.9+3.97.1250.740.29(100+2)0.85.112.5849.9164.6+1.6540.81.256.89.1-0.68359.948.8250.42.50.125650.87.82.8+7.87.2250.780.40.25(200+8)86.11.257210.1285.3+2.84741.256.47.1-0.642210.10.46.90.252.80.250

5、.1254488.34.4+8.35.6250.740.23(200+1)83.80.1259110.1703.6+7643.21.253.55.1-0.354010.1430.253.62.512.57080.88.2+0.81.80.250.670.040.24(500+9)88.212.5909.9765.1+7.6497.21.258.69.1-0.86969.945.70.253.6250.1257687.58+7.52250.9440.24(300+1)850.1253910.1973.4+9.7667.20.1259.49.1-0.94439.949.32.50.42.51.256782.78.3+2.71.7250.740.040.22(100+8)84.512.5889.9133.7+1.363812.59.43.1-0.946310.145.40.250.8251.25630.89.89.9+9.80.12.50.590.40.26(300+6)0.82.61.25399.9232.9+2.3711.61.252.74.1-0.27869.90.044.80.252.80.251.253286.78.7+6.71.3