Zadanie 1
Oblicz
a) (-1\frac{1}{2})^2=(-\frac{3}{2})^2=\frac{9}{4}=2\frac{1}{4}
b) (0,2)^3=0,008
Zadanie 2
a)
3*3*3*3*3=3^4
b)
x*x*x=x^3
c)
1\frac{1}{2}*1\frac{1}{2}*1\frac{1}{2}*1\frac{1}{2}=(1\frac{1}{2})^4
Zadanie 3
a) \sqrt[3]{27}=\sqrt[3]{3^3}=3
c)
2*(\sqrt9-1)^2=2*(3-1)^2=2*2^2=2*4=8
d)
(\frac{2}{3})^{-2}=(\frac{3}{2})^2=\frac{9}{4}=2\frac{1}{4}