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3,(2)+x<9,(7) in N vva rog foarte mult

Răspuns :

[tex]\dfrac{32-3}{9}+x<\dfrac{97-9}{9}\Rightarrow \dfrac{29}{9}+x<\dfrac{88}{9}\Rightarrow x<\dfrac{59}{9}=6,(5)\Rightarrow [/tex]

[tex]\Rightarrow x\in\{0;1;2;3;4;5;6\}[/tex]

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