Mathematics

Mathematics

(a) Draw an expression tree for the following algebraic expression (using  for division):
y
2
+
(x y)  x
3  (2 + 1)
(b) Read the binary tree on the right using the
(i) inorder traversal (with brackets);
(ii) preorder traversal (no brackets);
(iii) postorder traversal (no brackets).

+
1 2


4 5
3

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