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fie x natural rezolvati inecuatiile 6*x<30

Răspuns :



\[tex]\it 6x<30 \Rightarrow x< 30:6 \Rightarrow x<5\ \ \ \ \ (1) \\\ \\ Dar,\ x \in \mathbb{N}\ \ \ \ (2)[/tex]

[tex]\it (1),\ (2) \Rightarrow x \in\{0, 1, 2, 3, 4\}[/tex]