Question

pfv!! urgente quanto e ( 27 ÷9-2°)×9÷ raiz quadrada de 9​

Answer 1

Resposta:

$\frac{\left(\frac{27}{9}-2^{\circ \:}\right)\cdot \:9}{\sqrt{9}}\\\\\frac{9\left(\frac{27}{9}-2^{\circ \:}\right)}{9^{\frac{1}{2}}}\\\\9^{-\frac{1}{2}+1}\left(\frac{27}{9}-2^{\circ \:}\right)\\\\9^{\frac{1}{2}}\left(\frac{27}{9}-2^{\circ \:}\right)\\\\\sqrt{9}\left(\frac{27}{9}-2^{\circ \:}\right)\\\\\sqrt{9}\left(-2^{\circ \:}+3\right)\\\\3\left(-2^{\circ \:}+3\right)$

Answer 2

Resposta: 9

Explicação passo a passo:

(27÷9-2°)×9÷√9

(27÷9-1)x9÷√9

(2)x9÷√9

18÷√9

√9=3

18÷3= 6