Question

menajudaaaaaaaaaadaa​

Answer 1

Resposta e Explicação passo a passo:

$\left[\begin{array}{ccc}25\\12\\12\end{array}\right] - \left[\begin{array}{ccc}5\\-8\\3\end{array}\right] + \left[\begin{array}{ccc}-1\\10\\-1\end{array}\right] = \left[\begin{array}{ccc}25-5+(-1)\\12-(-8)+10\\12-3+(-1)\end{array}\right] = \left[\begin{array}{ccc}24\\30\\8\end{array}\right]$