Zad.1
[tex]I. \frac{2}{9} > \frac{2}{11}\\Prawda[/tex]
[tex]II. 5\frac{1}{8}=5.125 \\\frac{41}{8}=5.125\\ 5.125=5.125\\Prawda[/tex]
[tex]III. 3.2 > 3.02\\Prawda[/tex]
[tex]IV. \frac{7}{6} > 1\frac{1}{6} \\\frac{7}{6} > \frac{7}{6}\\Nieprawda[/tex]
Odpowiedź: C
Zad.2
[tex]\frac{\sqrt[3]{-64}}{\sqrt{4} - \sqrt{100} } =\\\frac{-4}{2-10} =\\\frac{-4}{-8}= \\\frac{1}{2}[/tex]
Odpowiedź: D
Zad.3
[tex]2(x-3)-(x+4)*(x-4)-x(2-x)\\= 2x-6-(x^{2} -16)-2x+x^{2} \\=-6-x^{2} +16+x^{2} \\= 10[/tex]