求:税后年终奖倒推税前金额的EXCEL函数公式答:公式=ROUND((C3-IF(C3<=34920,0,IF(C3<=129810,210,IF(C3<=241410,1410,IF(C3<=317660,2660,IF(C3<=466410,4410,IF(C3<=6631160,7160,15160)))/(1-IF(C3<=34920,3%,IF(C3<=129810,10%,IF(C3<=241410,20%,IF(C3<=317660,25%,IF(C3<=466410,30%,IF(C3<=631160,35%,45%))...