If the CPI in 1970 was 140,and in 1992 it is 332,the average annu_数学解答

If the CPI in 1970 was 140,and in 1992 it is 332,the average annual compound growth rate was?

人气：267 ℃　时间：2020-05-10 06:09:18

解答

1992-1970 是22年
140*（1+X）^22=332
X=4%