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[tex]( \frac{2}{ 5\sqrt{2} } - \frac{1}{ \sqrt{12} } + \frac{3}{\sqrt{75} } )* \sqrt{27} = [/tex]

Răspuns :

(2/5√2 -1/√12 +3/√75 ) ×√27=
=(2√2/10 -1/2√3 +3√3/15 ) ×3√3=
=(√2/5 -√3/6 +√3/5 ) ×3√3=
=(6√2-5√3+6√3)/30×3√3=
=(6√2+√3)/10 ×√3=
=(6√6+3)/10