小数乘法简便计算精选一线教师 倾情奉献 59Word格式文档下载.docx

1、10010.9460.25 0.231010.52.030.02 2.11032.54.080.4 4.14.85.94.89.90.03_（0.54）（_5.38.94.78.9（_）0.8270.050.02 1010.269.4799.47 0.75910010.7592.4250 0.571028.92 1.21050.0250.96400 5.63.24.43.24.70.73_25（0.4440）（_2.38.17.78.1（_）0.440.1250.8 1010.419.97999.97 0.5241010.5241.225 0.459982.492 2.210016.730.0

2、4 5.61.84.41.80.84.51_0.25（0.47400）（_5.66.14.46.1（_）0.0981.250.08 9990.757.23997.23 0.361100010.3617.22.5 0.6310028.470.2 1.14.364 4.28.85.88.83.24.58_（0.235.8.0999*5.8（_）0.08880 1010.983.3793.37 0.13510010.1357.62.5 0.79998.79200 1.510043.090.04 0.86.39.26.37.47.47_（0.184.81.45.21.4（_）0.823800 990.

3、696.84996.84 0.853100010.8532.5 0.715.599.920.4 62.642.64.24.72_（0.433.45.66.65.6（_）0.2190.879.219999.21 0.351100010.35125 0.222.2620 2.24.184 3.97.76.17.76.23.77_（0.35.56.14.50.1270.8 9990.119.4699999.46 0.125110.12525 0.683.640.02 1.52.350.4 7.74.82.37.14.29_（0.120.04）（_6.77.53.37.5（_）0.9468 1010.893.279993.27 0.551100010.551250 0.621.820.2 2.210054.764 42.562.5