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aratati ca numarul 2018la a 2 a -2018-2017



Răspuns :

Răspuns:

[tex]2018^{2} -2018-2017=2018(2018-1)-2017=2017*2018-2017=2017(2018-1)=2017*2017=2017^{2}[/tex]

sper ca asta era cerinta