問題已解決
50/(1+r)^1+50/(1+r)^2+1050/(1+r)^3=960 用內插法計算,想看具體過程!



你好
計算結果如下
當r=7%時,46.73+43.67+857.11=947.51
當r=6%時,47.17+44.50+881.60=973.27
(7%-6%)/(r-6%)=(947.51-973.27)/(960-973.27)
1%/(r-6%)=(-25.76)/(-13.27)
(r-6%)=1%*(-13.27)/(-25.76)=0.51%
r=6.51%
2023 08/10 14:25
