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imi spuneti cat e (√2) ² si (√7)²

Răspuns :

[tex]\rm (\sqrt2)^2=2 \\ (\sqrt7)^2=7[/tex]
[tex]\boxed{ \sqrt{2} ^2=\boxed{2}} \\ \\ \boxed{ \sqrt{7} ^2=\boxed{7}}[/tex]