小数乘法简便计算强烈推荐62.docx

1、小数乘法简便计算强烈推荐62145.4+1.4462.40.1255.31.1-0.535210.10.040.82.542.50.12560.83.65.9+3.64.1250.7240.25(300+4)0.88.50.125739.9771.5+7.7856.41.256.35.1-0.63899.90.45.62.51.22512.5140.89.68.9+9.61.1250.5540.29(500+6)0.82.612.59610.1973.7+9.7636.412.561.1-0.66910.10.045.70.250.42512.5180.82.47.5+2.42.52.50.7

2、30.40.25(100+7)0.85.912.51610.1232.2+2.3780.81.255.19.1-0.515110.10.040.32.52.82.51.2558828.1+21.92.50.8940.26(100+7)84.60.1255710.1604.2+6585.60.1254.96.1-0.493210.10.045.82.522.51.25520.86.16.8+6.13.22.50.520.40.22(500+7)0.86.512.5719.9655.1+6.5491.60.1259.86.1-0.987410.145.9251.62512.59685.16.8+5

3、.13.20.250.4740.22(100+8)0.86.81.258810.1132+1.38080.1258.76.1-0.876410.10.42.52.51.6250.125180.85.66.6+5.63.42.50.7140.22(500+6)85.30.125649.9211.4+2.1863.212.52.16.1-0.219410.10.041.80.252.80.250.1255181.91.4+1.98.60.250.810.040.25(300+4)0.87.912.5999.9735+7.3504.812.59.24.1-0.923010.142.62.53.225

4、0.125590.87.21.7+7.28.32.50.7440.25(400+4)0.85.61.256710.1172.2+1.7783.21.253.43.1-0.34969.943.50.253.22.51.252086.84.5+6.85.5250.8140.26(400+6)82.90.125849.9792.1+7.97941.252.46.1-0.24549.948.40.250.80.251.25460.82.89.1+2.80.90.250.780.40.26(500+8)0.83.50.125359.9672.5+6.775812.57.39.1-0.736610.10.

5、046.42522.51.2560.87.21.5+7.28.52.50.580.40.28(500+7)89.80.1258910.1862.9+8.6714.80.1253.39.1-0.33759.90.42.1250.82.512.55186.63.1+6.66.9250.940.040.28(300+1)0.831.258510.1983.2+9.86880.12532.1-0.3899.90.48.52.51.6251.256589.95.6+9.94.40.250.6840.27(300+5)89.112.58010.1651.6+6.5842.412.54.68.1-0.461710.10.42.32520.2512.51186.84.7+6.85.30.250.810.040.29(100+2)0.88.512.52210.1611.1+6.18981.258.61.1-0.86409.90.49.2250.4250.125910.80.93.4+0.96.62.50.920.040.22(400+7)0.881.25229.9801.4+8860.81.252.19.1-0.214110.10.045.4253.62512.51387.12.6+7.17.4