Infix: (2+2*7)*6-8/3*2 Postfix: 2 2 7 * + 6 * 8 3 / 2 * - Prefix: - * + 2 * 2 7 6 / 8 * 3 2
(2+2*7)*6-8/3*2
2 2 7 * + 6 * 8 3 / 2 * -
- * + 2 * 2 7 6 / 8 * 3 2