小数乘法简便计算强烈推荐193.docx

1、小数乘法简便计算强烈推荐1930.044.12.54251.25820.826.8+23.2250.680.040.24(400+4)87.10.125599.9454.5+4.555812.58.47.1-0.84489.90.040.30.252.80.250.12517833.1+36.9250.8940.25(300+8)0.87.912.5949.9374.4+3.7564.80.1258.81.1-0.88199.942.80.252251.25100.84.61.3+4.68.7250.630.040.27(500+5)0.83.20.125329.9963.1+9.6695.6

2、0.1251.59.1-0.154210.141.82.53.20.250.1256081.54.5+1.55.50.250.4540.27(200+6)0.86.41.25679.9194+1.9606.40.12562.1-0.65910.10.41.32.53.20.250.12537814.6+15.40.250.930.40.25(400+3)87.51.25659.9704.3+7576.41.259.43.1-0.943910.146.20.251.20.251.2520.85.98.7+5.91.30.250.710.040.29(400+5)83.80.125319.9124

3、.6+1.2541.612.526.1-0.23510.10.042251.62512.5170.87.63.1+7.66.90.250.6240.21(500+4)83.60.125139.9174.4+1.7567.20.1259.88.1-0.98589.949.80.252.8250.1256586.51.5+6.58.50.250.6740.25(300+5)84.812.5929.9553.5+5.5652.412.59.27.1-0.92229.944.92.522512.5660.85.63.3+5.66.70.250.850.40.23(300+7)82.70.125179.

4、9701.7+7835.61.258.84.1-0.887110.142.42.50.40.2512.5450.82.39.4+2.30.6250.8740.24(100+2)87.10.1253810.1622.5+6.275412.58.37.1-0.83889.90.045.52.540.250.1259581.11.7+1.18.30.250.5440.21(200+3)0.84.212.5719.9264.5+2.6553.20.1258.12.1-0.81119.945.4251.62.51.25786.68.6+6.61.4250.930.40.26(400+6)0.84.512

5、.5699.9891.4+8.9864.81.255.95.1-0.592010.10.049.42.52.82.512.51381.69+1.61250.4740.27(500+5)0.82.31.256010.1255.5+2.5454.81.251.52.1-0.15899.944.3252250.125560.80.26.7+0.23.32.50.810.040.25(200+1)0.84.912.5959.9702.7+7731.612.53.81.1-0.385010.10.48.4251.62.50.1258089.44+9.46250.960.040.22(300+7)0.84.60.1258210.1405+4500.81.259.22.1-0.92859.90.49253.20.250.125385.38.7+5.31.30.250.640.40.26(200+9)84.71.251310.1684.7+6.8534.81.253.54.1-0.35839.945.8253.60.250.125290.85.24.3+5.25.7250.790.40.24(100+8)0.85.512.59810.1