Question

3/4 - 1/2 -{4-[1-(8/7 . 7/4)]}= URGENTE RAPIDO GENTE POR FAVOR PPOOOOOOOOOOOOOOOOR FAVOOOOOOOR VALENDO 100 PONTOS

Answer 1

Resposta:

$-\frac{19}{4}$

Explicação passo a passo:

$\frac{3}{4} - \frac{1}{2} - \{ 4 - [1-(\frac{8}{\cancel{7}} \cdot \frac{\cancel{7}}{4})]\} =\\\frac{3}{4} - \frac{1}{2} - \{ 4 - [1-(\frac{8}{4})]\} =\\\frac{3}{4} - \frac{1}{2} - \{ 4 - [1-(2)]\} =\\\frac{3}{4} - \frac{1}{2} - \{ 4 - [1-2]\} =\\\frac{3}{4} - \frac{1}{2} - \{ 4 - [-1]\} =\\\frac{3}{4} - \frac{1}{2} - \{ 4 +1\} =\\\frac{3}{4} - \frac{1}{2} - \{5\} =\\\frac{3}{4} - \frac{1}{2} - 5=\\\frac{3 - 2(1) - 5(4)}{4}=\\\frac{3 - 2 - 20}{4}=\\\frac{1 - 20}{4}=\\\frac{- 19}{4} =-\frac{19}{4}$

Answer 2

$\frac{3}{4} - \frac{1}{2} -{4-[1- \frac{8}{7} \times \frac{7}{4} )]} = - \frac{19}{4}$