$4)$ a$)$ Draw the ordered rooted tree that represents the expression $($a $-($b $/$ c$))+($d$($eT$($fTg$)))$

b$)$ What is the prefix form of this expression.

c$)$ What is the postfix form of this expression.

d$)$ What is the value of the prefix expression $-132123/6-42$

e$)$ What is the value of the postfix expression $32*2153-84/*-.$