August 2018 3 16 Report
2.Rozwiąż nierówność
a) Ix-5I >1
b) Ix+6I<3
c) I5-xI≥7
d) I4+2xI≤12
e) 3x²-2x-1≥0
f) -4x²+4x-1>0
g) 2x²+x-1≤0
h) 4x²+3x+1>0
i) x²+x+1<0
j) -2x²+√2x-1>0

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