9000104305

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Project ID: 
9000104305
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1
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0
Easy: 
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Je-li parametr \(a > -1\), množina řešení nerovnice \(\frac{2x} {a+1} - 1 < 0\) je:
\(\left (-\infty ; \frac{a+1} {2} \right )\)
\(\left (-\frac{a+1} {2} ; \frac{a+1} {2} \right )\)
\(\left \{\frac{a+1} {2} \right \}\)
\(\left (\frac{a+1} {2} ;\infty \right )\)