分区间的话,用lookup
方法如下:=LOOKUP(D7,{0,0.2,0.3,0.35,0.4},{"不打折","98折","95折","9折","85折"})
在E2中输入如下公式=a2*lookup(d2,{30,35,40,45}%,{95,90,85,80}%)下拉填充
=IF(E2>0.35,0.9,IF(E2>0.3,0.95,1))*A2