小数乘法简便计算强烈推荐152.docx

1、小数乘法简便计算强烈推荐152945.5+9.4451.61.256.12.1-0.61539.943.22.52.42.512.52188.63.7+8.66.32.50.870.040.24(400+8)0.880.1259510.1452.2+4.5786.41.257.33.1-0.734610.10.041.6253.22.51.25700.89.29.3+9.20.70.250.530.40.23(100+3)841.251410.1692.3+6.9774.80.1253.73.1-0.37239.946.6250.80.250.1255986.53.2+6.56.82.50.7

2、0.40.25(200+7)0.87.60.1254210.1375.5+3.7454.81.257.12.1-0.718810.147.7253.22.50.1253983.33.5+3.36.52.50.820.40.21(300+5)0.87.50.1253510.1713.7+7.1634.81.257.15.1-0.71249.90.043.42.53.22.512.58984.29+4.212.50.460.40.21(100+8)0.87.30.1257210.1792.8+7.9721.60.1253.84.1-0.38359.90.041.80.250.80.251.2538

3、9.89.4+9.80.6250.5540.22(200+1)0.88.71.25199.9303.7+3633.21.256.56.1-0.657210.10.042.40.252.4251.25880.83.84.2+3.85.82.50.630.040.22(300+8)0.84.20.1257610.1673.3+6.76781.251.77.1-0.17729.90.43.3250.82512.5620.886.5+83.50.250.640.29(200+9)0.85.11.251110.1632.6+6.3741.61.251.92.1-0.19179.941.12.52.825

4、0.125840.87.61.7+7.68.32.50.8840.25(500+9)84.70.125599.9454.4+4.5561.612.52.24.1-0.229110.149.50.2522.512.57682.99.9+2.90.12.50.8140.23(200+1)0.84.80.125769.9192.9+1.97140.1254.37.1-0.431310.10.41.70.2540.2512.5300.87.36.2+7.33.80.250.480.040.26(400+8)86.91.259710.1403.2+468412.52.91.1-0.296710.10.0

5、46.82.50.4250.1255485.89.1+5.80.90.250.540.27(200+2)0.82.21.251710.1675.4+6.7460.80.1256.64.1-0.66569.942.20.251.20.250.1255487.89.7+7.80.3250.470.040.23(300+8)0.86.412.58810.1853.9+8.5610.81.251.39.1-0.132610.10.47.80.253.62512.59882.87+2.832.50.950.040.26(500+6)0.82.80.1257410.1343+3.47040.1254.27.1-0.42469.90.44.60.252.42512.51986.25.8+6.24.2250.710.40.23(300+9)0.86.50.1254210.1855.2+8.5484.812.58.87.1-0.88899.90.46.62520.251.25420.86.14.7+6.15.30.250.840.040.27(200+7)85.41.253510.1354.7+3.5537.21.255.86.1-0.58179.947.72.50.4250.1255584.81.4+4.88.6