Ответ:

  1. 641/2 = √64 = 8.
  2. 271/3 = ∛27 = 3.
  3. 82/3 = (∛8)² = 4.
  4. 813/4 = (⁴√81)³ = 27.
  5. 16−0,75 = 16−3/4 = 1/(⁴√16)³ = 1/8.
  6. 9−1,5 = 9−3/2 = 1/(√9)³ = 1/27.