Question

Calcule as expressões abaixo:
a)(-5).4-(-3)
b)(-4).6+20(-1)
c)3.(7)+(-6).(-5)-2.(-1).8
d)7(-2)-8(-1)+(-5)(-3)-10.0
e)-2.(-3.5+18)+5[-2(-2)-3]
f)-2+3.{4-5.[3.(-4)]}

Answer 1

a) -60
b) -44
C) 126•-80=10080
D)-113