Respuesta :

Let a number be x

[tex]\\ \sf\longmapsto \dfrac{x}{x}[/tex]

[tex]\\ \sf\longmapsto 1[/tex]

And we know that.

[tex]\\ \sf\longmapsto n/1=n,n\in N,Z,R,Q[/tex]

So all questions have the answer as per the question .Just rewrite them

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