已知一棵二叉树的中序序列和后序序列分别为BDCEAFHG和DECBHGFA,请画出...答:var zhong,hou,pre:string;procedure solve(mid,post:string);var i:longint;begin if (mid='')or(post='') then exit;i:=pos(post[length(post)],mid);pre:=pre+post[length(post)];solve(copy(mid,1,i-1),copy(post,1,i-1));solve(copy(mid,i+1,length(mid)-i),copy(post...