小数乘法简便计算强烈推荐346.docx

1、小数乘法简便计算强烈推荐34642.2250.8251.25910.88.48.2+8.41.82.50.590.40.27(500+7)86.91.25619.9924.8+9.2527.21.256.28.1-0.62769.90.49.40.253.22.51.25340.85.36.6+5.33.4250.730.40.24(300+9)82.60.1255310.1172.2+1.7782.412.53.76.1-0.37639.90.42.9250.8251.259586.29.5+6.20.50.250.6640.26(300+7)85.312.57510.1412.4+4.17

2、640.1254.87.1-0.481810.10.41.90.250.42.512.5290.85.47.6+5.42.4250.930.40.27(400+2)0.84.912.52310.1554.4+5.5563.212.58.87.1-0.88699.90.044.22.51.2250.125340.81.13.8+1.16.20.250.810.40.27(500+6)0.89.712.5179.9663.7+6.6636.412.56.89.1-0.68739.90.048.2250.4250.1259488.91.7+8.98.32.50.650.40.28(100+5)0.8

3、4.612.59410.1845.4+8.4460.81.252.64.1-0.263910.10.045.6253.62.50.125440.86.77.1+6.72.9250.690.040.25(500+3)0.82.512.5589.9793.8+7.9623.20.1251.33.1-0.13219.90.046.40.253.62512.5590.80.45.4+0.44.6250.920.040.27(100+1)0.8712.58210.1284.6+2.8545.612.54.48.1-0.447810.10.045.12.542.50.125570.83.74.8+3.75

4、.2250.540.23(500+3)0.86.412.58310.1354.9+3.5510.81.2593.1-0.98610.10.47.72.51.22512.5670.82.51.2+2.58.8250.880.40.27(400+6)83.21.25979.9403.3+4676.412.52.51.1-0.253410.10.47.92.52.42.512.5320.88.84.7+8.85.3250.9340.26(100+7)85.50.125699.9111.9+1.1814.81.259.25.1-0.92329.90.049.42.52.8250.125480.83.7

5、2+3.782.50.480.040.28(200+9)86.212.51810.1455+4.5501.612.53.27.1-0.32539.90.042.42.52250.1259889.15.9+9.14.10.250.990.040.24(400+1)0.89.412.54810.1132+1.3803.20.12549.1-0.49610.145.50.253.60.2512.59583.39.1+3.30.92.50.6740.29(100+5)0.831.25899.9525.4+5.2467.20.1257.42.1-0.747710.10.45.60.253.62512.57289.71.5+9.78.5250.750.040.25(200+3)84.412.56310.1953.9+9.5611.61.256.66.1-0.66139.90.046.80.252.4251.2540.80.82.6+0.87.40.250.790.040.23(300+8)0.83.11.25249.9785+7.8501.60.1254.72.1-0.47609.90.45.72.52.8251.258984.99.9+4.90.12.50.450.40.29(300+2)84.112.5439.9