已知n=n<sub>1</sub>+n<sub>2</sub>,则()

A.(F/P,i,n)=(F/P,i,n<sub>1</sub>)+(F/P,i,n<sub>2</sub>) B.(F/P,i,n)=(F/P,i,n<sub>1</sub>)&times;(F/P,i,n<sub>2</sub>) C.(P/F,i,n)=(P/F,i,n<sub>1</sub>)+(P/F,i,n<sub>2</sub>) D.(P/F,i,n)=(P/F,i,n<sub>1</sub>)&times;(F/P,i,n<sub>2</sub>)

时间:2024-01-05 11:21:42

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