小数乘法简便运算练习(共3页).doc

精选优质文档-倾情为你奉上小数乘法简便运算练习题0.258.54 12.50.960.8 0.250.734 0.2516.244.3612.58 0.950.254 350.20.5 0.75500.4(1.250.125)8（204）0.25(2+0.4)5（125+2.5）0.83.723.56.283.5 15.62.115.61.1 7.60.80.27.63.834.563.835.447.0910.80.87.09 3.92.77.327.53.77.53.7 10