小数乘法简便计算强烈推荐275.docx

1、小数乘法简便计算强烈推荐275372.8+3.7723.212.57.25.1-0.727210.10.043.6251.62.512.5580.84.13.3+4.16.72.50.850.040.29(200+8)0.82.91.25469.9353.6+3.5643.21.252.63.1-0.26499.9410.253.22512.5330.84.84.1+4.85.90.250.6140.27(300+9)0.84.41.251910.1844.4+8.45640.1256.52.1-0.651310.10.041.32.51.2251.25540.846.7+43.32.50.4

2、80.040.27(300+5)89.40.1255410.1211.6+2.18481.252.66.1-0.26419.90.0452.51.6251.259284.23.9+4.26.1250.670.040.26(500+7)0.86.51.25739.9403.1+4690.81.256.57.1-0.65739.943.30.251.2251.259189.62.6+9.67.42.50.780.040.23(500+2)82.40.1259010.1641.7+6.4836.40.1256.47.1-0.641510.10.42.30.251.22.50.1254686.74.2

3、+6.75.80.250.980.040.21(200+5)83.90.1252810.1973.6+9.7646.412.56.35.1-0.63919.944.30.253.6250.125900.86.16.2+6.13.80.250.7540.21(400+6)83.90.125539.9224.6+2.2544.80.1255.57.1-0.55599.90.47.30.251.6250.1257486.53.8+6.56.20.250.590.040.29(100+9)84.212.58010.1525.3+5.2474.80.1258.57.1-0.856110.10.042.9

4、0.251.20.2512.540.86.56.2+6.53.8250.9140.22(300+6)0.88.91.25609.9225.3+2.2477.20.1252.44.1-0.247710.142.92.50.42.512.5170.88.73.7+8.76.30.250.480.40.26(200+7)0.87.20.125989.9181.2+1.8886.41.2587.1-0.8439.947.10.250.82.51.2530.88.45.7+8.44.30.250.5640.28(200+5)83.412.5239.9581.2+5.8880.81.251.83.1-0.

5、18949.90.46.72.54251.25730.80.37.3+0.32.7250.690.40.29(500+1)0.86.912.53810.1992.5+9.9754.812.52.73.1-0.27979.90.40.92.52.42.512.5781.91.6+1.98.40.250.610.040.26(200+4)0.84.81.25219.9564.1+5.6596.40.1254.18.1-0.419710.10.40.52.53.62.512.59084.43.2+4.46.8250.8740.26(400+4)0.82.51.259510.1144.7+1.4531.60.1256.52.1-0.65379.90.41.50.250.80.250.1259283.23.7+3.26.30.250.6740.21(500+6)0.84.80.1255110.1262.6+2.6746.41.252.88.1-0.289310.141.50.252.42.50.125840.81.94.3+1.95.70.250.990.040.23(500+8)0.84.81.25159.9964.5+9.6552.41.251.12.1-0.113610.10.045.4253.20.251.25100.82.54.4+2.55.6