A.I have felt
B.I did feel
C.have I felt
D.did I feel
等值基本公式的图示(图 2)中,正确的是()。
A.(1)(P/F,i,n)(2)(P/A,i,n)(3)(A/F,i,n)(4)(F/P,i,n)
B.(1)(P/A,i,n) (2)(F/P,i,n) (3)(A/F,i,n) (4)(P/F,i,n)
c.(1)(P/A,i,n) (2)(A/F,i,n) (3)(F/P,i,n) (4)(P/F,i,n)
D.(1)(F/P,i,n)(2)(P/F,i,n)(3)(P/A,i,n)(4)(A/F,i,n)
A.(F/P,i,n)(P/A,i,n)=(F/A,i,n)
B.(A/F,i,n)+i=(A/P,i.n)
C.(F/A,i,n)(F/P,i,n)=(A/P,i,n)
D.(P/F,I,n)(F/P,i,n)=1