Odpowiedź:
Zad 1:
b) 2³ = 8
3³ = 27
4³ = 64
5³ = 125
8³ = 512
Zad 2:
a) (1[tex]\frac{2}{3}[/tex])³ = ([tex]\frac{5}{3}[/tex])³ = [tex]\frac{125}{27}[/tex] = 4[tex]\frac{17}{27}[/tex]
b) (2[tex]\frac{1}{5}[/tex])² = ([tex]\frac{11}{5}[/tex])² = [tex]\frac{121}{25}[/tex] = 4[tex]\frac{21}{25}[/tex]
c) (-1[tex]\frac{3}{4}[/tex])² = (-[tex]\frac{7}{4}[/tex])² = [tex]\frac{49}{16}[/tex] = 3[tex]\frac{1}{16}[/tex]
d) (-2[tex]\frac{1}{2}[/tex])³ = (-[tex]\frac{5}{2}[/tex])³ = [tex]\frac{25}{4}[/tex] = 6[tex]\frac{1}{4}[/tex]
Zad 3:
a) 1,3² = 1,69
b) 0,11² = 0,0121
c) 2,1³ = 9,261
d) 0,7³ = 0,343
