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3) Comparati numerele. a) -5 şi 5, 7 b) - 1,5 şi -1,4 c) - radical din 5 si - 2,23​

Răspuns :

Răspuns:

[tex]\green{\bf a)~~~ -5~ < ~5,7}[/tex]

[tex]\blue{\bf b)~~~ 1,5~ > ~1,4}[/tex]

[tex]\bf c)~~-\sqrt{5} ~~\boxed{~}~-2,23~~~\bigg|^{2}[/tex]

[tex]\bf (-\sqrt{5})^{2} ~~\boxed{~}~~(-2,23)^{2}[/tex]

[tex]\bf (\sqrt{5})^{2} ~~\boxed{~}~~(2,23)^{2}[/tex]

[tex]\pink{\boxed{\bf 5~~~>~~4,9729}}[/tex]