問(wèn)題已解決
為什么B是對(duì)的,為什么加一?
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速問(wèn)速答F/A 為計(jì)算年金終值
(F/A,9%,5)=(1+9%)^4+(1+9%)^3+(1+9%)^2+(1+9%)^1+(1+9%)^0
(F/A,9%,4)*(1+9%)=(1+9%)^4+(1+9%)^3+(1+9%)^2+(1+9%)^1
由上可見,這兩個(gè)式子之間差了(1+9%)^0,即1
所以,(F/A,9%,5)=(F/A,9%,4)*(1+9%)+(1+9%)^0=F/A,9%,4)*(1+9%)+1
2022 07/18 19:31
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