^-oznacza do potęgi
a)16^¼ × 27^⅔ : 25^(-½)=
=(4⁴)^¼ × (3³)^⅔ :(5²)^(-½)=
=4×3:5⁻¹=12:1/5=12×5=60
b)³√9 × ⁵√27 × ¹⁵√81=
=(3²)^⅓ × (3³)^1/5 × (3⁴)^1/15=
=3^⅔ × 3^3/5 × 3^4/15=
=3 ^(10/15+9/15+4/15)=3^23/15
Zad.2
[2^⅓ × 2^⅔ × 2^½]:[2⁻² × 2^3/2]=
=[2^3/2]:[2⁻² × 2^3/2]=
=1/2⁻²=4
zAD,3
{[a^4/5 × a^½]:a^⅔}× a^(-0,6)=
=[a^13/10]:a^⅔ × a^(-6/10)=
=a^(39/30-20/30-18/30)=a^1/30
