Download the ppt for animation of Expression tree conversion
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1.infix expression to expression tree
2.postfix expression to expression tree
3. Convert the infix expression to expression tree:
infix-a*b+e/m*k-y/z
+
a*b+e/m*k y/z
-
* *
m
e/m*k
a*b
k
e/m
a
b
e
/
k
/
y z
prefix= Preorder
Postfix= postorder
4. Convert the postfix expression to expression tree:
+
-
*
*
m
a b
e
/
k
/
y z
Postfix: ab*em/k*+yz/-
a b * e m / k * + y z / -
a
b
*
e
m
/
k
*
+
y
z
/
-
a*b+e/m*k-y/z