用竖式计算下面各题.(带*号多要验算)*1.38三.三-三.三9&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;三.8.三×0.075*3.87÷0.0了&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二p;&n1二
分类:正方形的面积