A(F/A,i,n) = (P/F,i,n) × (A/P,i,n)B(P/F,i,n) = (A/F,i,n) × (P/A,i,n)C(A/P,i,n) = (F/P,i,n ) × (A/F,i,n)D(A/P,i,n) = (P/F,i,n1) × (A/F,i,n2),n1+n2=nE(A/F,i,n) = (P/F,i,n) × (A/P,i,n)再进一步,找到解题思路解锁参考答案与解析,已解锁内容可反复查看。登录后查看 这道题有问题?提交纠错