Question

analisando as expressões,desenvolva o calculo e marque corretamente.
[(+7)-(128:2):(19-11)]

(2-3+1):(-7)

(+4-9):(-5+3)

(+2-3+1):(2+2)​

Answer 1

$7 - (64;8) = 7 - 8 = -1\\\\-1+1 = \frac{0}{-7} \\\\-5:-2 = \frac{-5}{-2} \\\\-1+1 = \frac{0}{4}$