Question

0,5√32+5√8-1 третья √18

Answer 1

$0,5 sqrt{32} +5 sqrt{8} - frac{1}{3} sqrt{18}= sqrt{32*0,25} +5 sqrt{8} - sqrt{ frac{18}{9} } = sqrt{8} +5 sqrt{8} - sqrt{2} sqrt{2*4} +5 sqrt{4*2}- sqrt{2} =2 sqrt{2} +10 sqrt{2} - sqrt{2} =11 sqrt{2}$