September 2018 1 19 Report

11.Rozwiąż równania:

a) \frac{2}{3} (x-1) - \frac{1}{6} (3 - 2x) = x + \frac{1}{2} - \frac{x-3}{6}

b) -\frac{3}{4} (2x+ 1) + \frac{2}{3} - 0,25 = 0,5 (2+ 3x) - \frac{5}{6} (x+ 1)

c) 0,25 (1-2x) + \frac{3}{4} - \frac{3x- 5}{2} = - \frac{1-x}{2} - \frac{1}{4} (-x - 3) + 0,5

d) (2x-1) (x+3) - (x+1) (x-2) = (3+2x) (x+1) + (1-x) (1+x)

e) (\sqrt{2x}-1) (\sqrt{2x}+1) = (\sqrt{2x} - \sqrt{5}) ^{2} + 2 (\sqrt{10x} - 3) - (4 - x)

f) (x \sqrt{3} + 2) (x\sqrt{3} - 2) - x(1-x) = 2(x - \frac{1}{2})^2 - (1- \sqrt{2} x) (1+ \sqrt{2} x)

muszę je mieć.. Bardzo proszę chociaż kilka :)


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