有没有大神可不可以帮我简化一下?excel函数if嵌套次数太多答:公式简化为 =IF(N17<=100,IF(I17<20,4.73,3.31),IF(N17<=200,IF(I17<20,6.16,4.31),IF(N17<=300,IF(I17<20,7.59,5.31),IF(N17<=400,IF(I17<20,9.02,6.31),IF(N17<=500,IF(I17<20,10.45,7.32),IF(N17<=600,IF(I17<20,11.88,8.32),IF(N17<=700,...