Question

4.7×0.35+0.47×4.2+0.047×23用简便方法计算

Answer 1

解：4.7×0.35+0.47×4.2+0.047×23=4.7*0.35+4.7*0.42+4.7*0.23=4.7*（0.35+0.42+0.23） =4.7*（0.35+0.65）=4.7*1=4.7 亲，请您采纳，您的采纳是我的动力，谢谢。