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$\frac{\frac{8}{2} \cdot \frac{12}{6}}{\frac{54}{- 6} - (9 + (- 20))} \cdot \frac{\frac{49}{6} + \frac{29}{6} + (20 - 11)}{\frac{(- 6) + (- 10)}{16 + (- 20)}}$

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