25^1.5+0.25^-0.5-81^0.75= помогите.

Question

25^1.5+0.25^-0.5-81^0.75=

помогите.

Answer 1

25^1.5+0.25^-0.5 - 81 ^0.75 =

= 5^(2·1.5) + (1/0.25)^0.5 - 3^(4·0.75) =

= 5^3 + 4^0.5 - 3^(3) =

= 125 + 2 - 27 = 100

Answer 2

25^(1.5)+0.25^(-0.5)-81^(0.75) = √25³+1/√0,25 - ⁴√81³ = 5³+1/0,5-√9³=125+2-27 = 100