Question

resolva as expressões:

a) (-6-3) × [-8 × (3-6) -6 × (5-2) +1]


b) [ (-3)² + (-2) ³] × (-5)​

Answer 1

Resposta:

a) (-6-3) × [-8 × (3-6) -6 × (5-2) +1] = (-9).{-8.(-3)-6.(3)+1] = (-9).[24-18+1]= -9.7 = -63

b) [ (-3)² + (-2) ³] × (-5)​ = (9 -8).(-5) = 1.(-5) = -5