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Se considera multimea A = {-2,5;[tex] \sqrt \frac{4}{9} [/tex];[tex] \sqrt \frac{4}{9};\sqrt{2}; \sqrt{6,25}; \sqrt \frac{25}{3}
[/tex]
Calculati A intersectat Q


Răspuns :

[tex]A=\{-2,5; \frac{2}{3} ; \sqrt{2} ;2,5; \frac{5 \sqrt{3} }{3} \} \\ \\ [/tex]
Intersectia cu Q este [tex]\{-2,5; \frac{2}{3} ;2,5\}[/tex]