z. 9
a) = 6 * 5 = 30
b) = 6 * 4 = 24
c) = 7 * 2 = 14
d) = 2 * 3 * 5 = 30
e) = -4 * 2 * 3 = -24
f) = -3 * 5 * 2 = -30
z. 10
a) = 16 * 5 = 80
b) = 4 * 6 = 24
c) = √7² : 3² = [tex]\frac{7}{9}[/tex]
d) = ([tex]\frac{6\sqrt{2} }{2}[/tex])² = (3√2)² = 9 * 2 = 18
e) = (2√3)² = 4 * 3 = 12
f) = ([tex]\frac{\sqrt{6} }{4}[/tex])² = [tex]\frac{6}{16}[/tex] = [tex]\frac{3}{8}[/tex]
