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Florinsava41
a fost răspuns

A=  {-3,74; -1,(7); √1; √2; √4/2 la a 2; √1 7/9; }

/ =>> supra 
la a 2 =>> la puterea 2

Răspuns :

Ste
√1=1
√2=1,414....
[tex] \sqrt (\frac{4}{2} ) ^{2} = \sqrt \frac{16}{4} = \frac{4}{2} =2
[tex] \sqrt{1 \frac{7}{9} } = \sqrt{ \frac{16}{9} } = \frac{4}{3} [/tex]

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