Question

Cât este rezultatul calculi dela x ​

Answer 1

$\it x=\Big(\dfrac{8}{\sqrt{18}}+\dfrac{6}{\sqrt2}\Big)\cdot\dfrac{\sqrt2}{13}=\dfrac{8}{\sqrt{18}}\cdot\dfrac{\sqrt2}{13}+\dfrac{6}{\sqrt2}\cdot\dfrac{\sqrt2}{13}=\dfrac{8}{3}\cdot\dfrac{1}{13}+\dfrac{6}{1}\cdot\dfrac{1}{13}=\\ \\ \\ =\dfrac{8}{39}+\dfrac{^{3)}6}{\ 13}=\dfrac{8+18}{39}=\dfrac{\ 26^{(13}}{39}=\dfrac{2}{3}$

Answer 2

x=(188+26)⋅132=188⋅132+26⋅132=38⋅131+16⋅131==398+ 133)6=398+18=39 26(13=32