Question

calcule a expressão( 1/4+1/2)÷ (1/3-1/4)

Answer 1

Resposta:

$(\frac{1}{4}+\frac{1}{2} ) /(\frac{1}{3}-\frac{1}{4})\\\\(\frac{1+2}{4} ) /(\frac{4-3}{12})\\\\\\(\frac{3}{4} ) /(\frac{1}{12})\\\\\\(\frac{3}{4} ) X(\frac{12}{1})\\\\\\\frac{36}{4} =9$

Explicação passo a passo: