单 元 复 习,知识回顾,知识点1：小数加减法的笔算,3.652.3,237.66,30.66,1.35,知识回顾,知识点1：小数加减法的笔算,16.28,3.00,知识回顾,知识点2：被减数小数位数 比减数少,83.12,1.30.63,4.88,0.67,.0 0,.,.,0,.,.,知识回顾,255.6,4,.,25.0,19.4,8.65.74,8,0,.,2.8,2.86,6,6,9,1,1,2,0,.,19,5,.,4,1,.,.,1,2,6,.,8.6,8,0,.,.,知识点2：被减数小数位数 比减数少,计算并验算下面各题,知识回顾,用计算器计算。,4.7512.63,17.38,7.030.895,6.135,0.2683.87,4.138,知识点3：用计算器计算小数的加、 减法,知识回顾,用计算器计算。,6.542.0051.87,10.415,51.342.8890.508,47.943,3.961.00735.4,38.353,知识点3：用计算器计算小数的加、 减法,
