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| 1. |
\frac{(64)^{\frac{-1}{6}} \times(216)^{\frac{-1}{3}} \times(81)^{\frac{1}{4}}}{(512)^{\frac{-1}{3}} \times(16)^{\frac{1}{4}} \times(9)^{\frac{-1}{2}}} |
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