1)25^1,5+(0,25)^-0,5-81^0,75
2)16^5/4-(1/9)^-1/2+27^2/3
3)(72^2/3)^1/2*36^1/6:2^4:3

1) 5^3 + 4^ (1/2) - 9^(1,5)= 125 + 2 - 3^3= 127 - 27 =100;
 2) 2 ^5 - 9^(1/2) + 3^2 = 32 - 3 + 9= 38;
3)