Fie multimea M={x∈R|2≤x-1mai mic 5}.Atunci M intersectat cu Z={...}

Răspuns :

[tex]2 \leq x-1 < 5 \;| +1\\ 3 \leq x < 6 \Rightarrow M \bigcap \mathbb{Z} = \lbrace 3,4,5 \rbrace[/tex]