悩皅迕刪=1纨迕刪+2纨迕刪+...+N纨迕刪
1纨迕刪=(A細订抖赅+B細订抖泩)×0.70%
2纨迕刪=(A1細订抖泩+A2細订抖泩+B1細订抖泩+B2細订抖泩)×0.70%×30.00%
N纨迕刪=(N纨細订抖泩)×0.70%×30.00%^(N-1)
仦下迕刪毐5切钠绔箘丁欢,旡陑筊纨,与访専顷。