0.525/13.125/4*85.85/1.01简便算法

0.525/13.125/4x85.85/1.01=[0.525/(13.125×4)]×(85×1.01)/1.01=0.525/[13×4+0.125×4)]×85=0.525/(52+0.5)×85=0.525/(52.5)×85=0.01×85=0.85