Simplify the given expression — task. Maths CBSE Live product, Class 8 (2026-27).

Evaluate:

{(\frac{1}{3})}^{- 3} + {(\frac{1}{4})}^{- 3} + {(\frac{1}{5})}^{- 3}

\(=\)

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7. Simplify the given expression