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Preorder Traversal of Expression Interview Question - Technical Category

To find the preorder traversal of the expression (A*(B+C))/D-G, you can follow the order of visiting nodes in the expression tree in the following manner:

1. Visit the main root node: -
2. Visit the left subexpression: /
3. Visit the left subexpression: *
4. Visit the left subexpression: A
5. Visit the right subexpression: +
6. Visit the left subexpression: B
7. Visit the right subexpression: C
8. Visit the right subexpression: D

Therefore, the preorder traversal of the expression (A*(B+C))/D-G is: -, /, *, A, +, B, C, D

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