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|√2 - 1/2|=√2-1/2
|x/2|=√2-1/2-√2+1
x/2=-1/2 ∨ x/2=1/2
x1=-1 x2=1
ew wykres
|x/2| do gory o √2-1≈0,41
pozioma y=√2-0,5≈0,9
przeciecie daje rozw
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