Question

Exercitiul este in poza.Va rog scrietimi si rezolvarea.

Answer 1

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Answer 2

$=$$( \frac{2}{ 5\sqrt{3} } - \frac{1}{ \sqrt{4*3} } + \frac{3}{ \sqrt{25*3} } ): \frac{1}{12}$
$= (\frac{2}{5 \sqrt{3} } - \frac{1}{2 \sqrt{3} } + \frac{3}{ 5\sqrt{3} } )*2 \sqrt{3}$
$= \frac{4}{7 \sqrt{3} }*2 \sqrt{3}$(√3 se simplifica cu √3)=>
$= \frac{4*2}{7}$
$= \frac{8}{7}$