小数加减法4.ppt

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,*,用计算器计算,一、直接写出得数。,0.3+0.6=8.1,3.1=4,0.09=,20,80=0.63+0.7=4.1,1.4=,705=3.4+5.6=,0.38+0.02=,1,0.09=0.61+0.3=2.1,1.34=,0.9,5,3.01,1600,1.33,2.7,14,9,0.4,笔,0.80,24.00,15.40,44.70,6.00=,90.9,90.9,0.80,24.00,15.40,44.70,6.00=,90.9,100,90.9,=9.1,（元）,9.1,=10.33,=8.63,=4.2,=10.15,=8,=0.08,妈妈用,50,元买一盒巧克力和一盒饼干，应找回多少元？,1.89,2.889,3.8889,9,.88,9,9,个,8,