Question

b) A B, em que: A = (-93): (-1 + 7) B = [10(-4-3)] (-2)³​

Answer 1

$A) (-93): (-1+7)\\\\(-93): 6\\\\- 15,5\\\\S= - 15,5$

$B) (10(-4-3))*(-2)^{3} \\\\(10*(-7))*(-2)^{3} \\\\(10*(-7))*(-2^{3})\\\\(- 70) * (-2^{3})\\ \\70*2^{3}\\ \\70*8\\\\=560\\\\S= 560$