69440÷(1-15%)=69440÷0.868=80000(元)A定价为X元,则B定价为80000-X元(1-15%)X+(1-12%)(80000-X)=694400.85X+70400-0.88X=694400.03X=960X=3200080000-X=48000A定价为32000元,则B定价为48000元
设A定价x,B定价y(1-15%)x+(1-12%)y=69440(x+y)*(1-13.2%)=69440解得y=36000x=54000