Ответ:

  1. ∛(10⁶) = 10² = 100.
  2. ∛(3¹²) = 3⁴ = 81.
  3. ⁴√((1/2)¹²) = (1/2)³ = 1/8.
  4. ⁴√((1/3)¹⁶) = (1/3)⁴ = 1/81.

Ответ: 1) 100; 2) 81; 3) 1/8; 4) 1/81.