A=12*n*a*i(1+i)^(12*n)/((1+i)^(12*n)-1);B=a+2*i*((6*n*a-(3*n-1)(12*n-1));当1

(i?a[i-1]!=' ':1) A=12*n*a*i(1+i)^(12*n)/((1+i)^(12*n)-1);B=a+2*i*((6*n*a-(3*n-1)(12*n-1));当1 t=a[i]; a[i]=a[n-i-1];a[n-i-1]=t; 1、在资金时间价值计算时,i和n给定,下列等式中正确的有?为什么?1、A (F/A,i,n)=[(P/F,i,n)(A/P,i,n)]-1B (A/P,i,n)=(A/F,i,n)+iC (F/P,i,n)=(A/P,i,n)/(F/A,i,n)D(A/P,i,n)(F/A,i,n)=(P/F,i,n) #define N 20 fun(int a[],int n,int m) {int i; for(i=m;i>n;i--)a[i+1]=a[i]; return m; } void main() #define N 20fun(int a[],int n,int m){int i;for(i=m;i>n;i--)a[i+1]=a[i];return m;}void main(){ int i,a[N]={1,2,3,4,5,6,7,8,9,10};fun(a,0,N/2);for(i=0;i 关于lingo程序的,sets:A/1..4/:c,b,n;X/A,A/:D;endsetsmin=1.1*n(1)+1.2*n(2)+1.3*n(3)+1.4*n(4);@for(A(i):@sum(A(j):c(i)*D(i,j)=1750);@for(A(i):@sum(A(j):n(i)*D(i,j)=b(i));@for(A(i):@gin(n(i)));@for(A(j):@for(A(i):@gin(D(i,j))));n(1)>n(2);n(2)>n(3);n 技术经济学证明题,(P/A,i,n)=（P/A,i,n-1）+（P/F,i,n） 工程经济学课后证明题1,（P/F,i,n+2）+(P/A,i,n+1)=(P/A,i,n+2)2.(A/P,i,n+1) - （A/F,i,n+1）=i a.i.n. A.I.N. 谁能帮我解释一下(A/P,i,n)=(A/F,i,n)+i还有(A／F,i,n)=(A／P,i,n)-i这两个公式? (F/P,i,n)=(A/P,i,n)/(F/A,i,n)如何证明正确? ( F/A,n,i)= (F/A,n+1,i)-1这个公式怎么计算 a(n+2)=(2+i^2n)an+1+i^2n,求an 若limXn=a,a不等于0,证明存在N>0,当n>N时,有1/ I Xn I < 2/ I a II I表示绝对值 用lingo编程,下面程序错在哪里?model:sets:dj/1..9/:i,j,v,f,a,b,c;endsetsmin=@sum((x+y-2000-i(n))*a(n)*v(n)+(j(n)-i(n))*b(n)*v(n)+z/12*c(n)*v(n)-c(n)*f(n));@for(dj(n):@if(((x+y-2000) #gt# i(n)) #and# ((x+y-2000) #le# j(n)) ,1,0)=a(n));@for(dj lingo错误分析：csets:a/23..46/:m,n; endsets @sum(a(i):n(i))=4;sets:a/23..46/:m,n;endsets@sum(a(i):n(i))=4;@sum(a(i):m(i))=5;@sum(a(i):m(i)*n(i)*(3+(i-1)*0.5)=89;@for(a(i):@gin(m(i)));@for(a(i):@bin(n(i)));end错误1017请帮忙分析错误 在资金时间价值计算时,i和n给定,下列等式中正确的有( ).A．(F/A,i,n)=[(P/F,i,n)(A/p,i,n)]－1 （是最后是负1次方） B．(A/P,i,n)=(A/F,i,n)+i C．(A/F,i,n)=(A/P,i,n)-i D．(F/P,i,n)=(A/P,i,n)/(F/A,i,n) E．(A/P,i,n)(F/A,i,n)