小数乘法计算题.doc

第一天 0.1253.698 (2.50.25) 4 8.591010.3615.70.3613.7 5.641.288.725.64 0.63199 4.37994.37 10.138.673.867 8.63250.063250 9.310.1 0.990.810.1190.19 (5.235.235.235.23) 25第二天0.251.250.6732 2.493.80.24962 1.253.20.25 159.7 0.2582.12 （12.51.25）8 5.718.34570.8343.874.125.883.87 3.25199 5.64995.64 第三天列竖式计算2.360.351.258.80.242.50.025141.05351.60.850.358.042.252.40.152.80.250.443.151.80.02536第四天20.135.223.522 5.220.1 3.71.630.3715.3 0.880.780.110.220.8 2.5(4.214.218.42) 1219.8 4.340.250.255.560.025 7.56101 1.252.51.25.411-5.410.716.1-15.110.78.91.01第五天列竖式计算465.4= 0.561.8=38000.76=0.250.0（保留两位小数）3080.43= 13.56.7=1.0825=0.120.44（精确到十分位）1.70.45= 0.378.4=2.156.4=7.60.47（精确到百分位）第六天3.723.56.283.53.834.563.835.44 4.810.1(1.250.125)815.62.115.61.13.61020.391991 2.50.960.8 4.3612.583.791.225(3.7756.21) 第七天列竖式计算0.0967.30.256.880.0375.06 2.030.1420.42.62050.130.320.142.40.960.50.15650.70.0016130.650.170.0046.50.932906.690.3768.03 第八天（1）3.212.525（2）16.080.125（3）9973.2+73.219.43(6.721.43) 0.258.54 4.810.1 1.252.50.32 27.53.77.53.7 3.20.2512.50.25363.564.546.445.46(1.250.125)83.61020.39199