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reprezinta fiecare multime prin enumerarea elementelor sale A={x/x e N, x < 7}

Răspuns :

[tex]A=\left \{ x\:| \:x\:\in\:\mathbb{N},x<7\right \}[/tex]

[tex]x \: \in \: \left \{0,1,2,3,4,5,6\right \}[/tex]

[tex] = > A=\left \{0,1,2,3,4,5,6\right \}[/tex]