五年级数学小数乘除法综合复习教程

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,一、列竖式计算,1.9x2.8,12.6x1.17,（保留两位小数）,0.89x5.6,（验算）,1.28x0.07,（保留三位小数）,220.55=,5.586.2=,9.52,1.2=,78.6,11=,二、简便运算,2.5x3.8x0.4x0.2,6.5x1.9-6.5x0.9,2.58x9+2.58,2.7x10.2,9.8x25,9.7x102,4.8x56.7+0.567x20+5.67x50,6.40.16,4.80.50.8,1.60.25,简算,6.40.16 4.80.50.8 1.60.25,0.450.60.5 9.814 5.63.5 3.64.80.8,70.125,0.121.25,（,36,0.24,）,0.12 7.83.43.9 2.55040 4.26.51.3 4.6(0.42.3)5.58,4.50.125 3.50.25 5.234,3.230.25,(6.4,3.2)8 (31.6,11.7)2.50.4,=64,16,=64,82,=,82,=,4,=4.8,（,0.50.8,）,=4.8,0.4,=48,4,=12,=,（,1.6,4,）,（,0.254,）,=6.4,1,=6.4,