Question

Resolva as expressões abaixo raiz quadrada de 9+raiz quadrada de 1/4-A RAIZ quadrada de 121

Answer 1

Resposta:

$\sqrt{9} +\sqrt{{1\over4}} -\sqrt{121} =\\ \\ \\ 3+{1\over2}-11=\\ \\ \\ mmc=2\\ \\ \\\dfrac{ 6+1-22}{2}=\\ \\ \\ \dfrac{7-22}{2}=\boxed{-\dfrac{15}{2}}$