October 2018 1 91 Report

Zad.1

Oblicz:

a)\frac{(2\sqrt{3})^{2}-3^{-1}}{\sqrt{1^{\frac{7}{9}}}\cdot\sqrt[3]{64}}}:(\frac{2}{3})^{-2}+\sqrt{2}\cdot\sqrt{8}

b)|4x-6|≤ 2

c) |x-1|+|x-2|=3

d) (4x+1)(4x-1)=(2x+3)²


e) \frac{4-x}{x-1} + 1=\frac{5}{x}

f) \frac{2x-3}{2} - \frac{|x|}{5} = -3

Zad.2

Masa towaru brutto wynosi 172 kg. Tara stanowi 4 i 1/3 % masy brutto. Jaka jest masa towaru netto?


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