Question

Calcule:(1/4)+(-1/2)??
Me ajuda

Answer 1

Resposta:

$-\frac{1}{4}$

Explicação passo a passo:

$\frac{1}{4} +\frac{-1}{2} \\\\\frac{1}{4} +(-\frac{1}{2} )\\\\\frac{1}{4} -\frac{1}{2} \\\\\frac{1}{4} -\frac{1\times2}{2\times2}\\\\\frac{1}{4} -\frac{2}{4}\\\\\frac{1-2}{4} \\\\\frac{-1}{4} \\\\-\frac{1}{4}$

Answer 2

-1/4

acho que tá certo......