Question

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Answer 1

$frac{ sqrt{12}+ sqrt{27} }{ sqrt{3} }= frac{ sqrt{12}* sqrt{3}+ sqrt{27} * sqrt{3}}{ sqrt{3}* sqrt{3} }= \ = frac{ sqrt{36}+ sqrt{81} }{3}= frac{6+9}{3}= frac{15}{3} =5 \ ili \ sqrt{12}=2 sqrt{3} \ sqrt{27}=3 sqrt{3}$