(⁹√7)⁹- ³√√64+³√250/ ³√2 =7 - ⁶√2⁶ +³√(250/2)= 7-2+5=10
³√(0,125⁻¹)+⁴√81³-⁴√(1/16)⁻⁵ = ³√((0,5)³)⁻¹)+⁴√((3⁴)³ -⁴√(1/2)⁴)⁻⁵ =
= (1/0,5) + 3³ -2⁵ = 2+27- 32 = -3
(⁵√√2²*3⁴)⁵ √2²*3⁴ 2*3² 3
---------------- = --------------- = ---------- = --------- = 1,5
⁴√√2¹⁶*3⁸ ⁸√2¹⁶*3⁸ 2²*3 2