Question

Calcule o valor das expressões.
a) (-16):(+14)+17
b) 3.(-9)+14
c) -30+6.(-1)
d) (8+5):(2-15)
e) (+2).(-6)+(-5).(-3)

Answer 1

A)
(-16)/14+17=>-8/7
-8+119/7=111/7
B
3×(-9)+14=-27+14=-13
C
-30+6×(-1)=36
D
(8+5)/(2-15)
13/13=1
E
(+2)×(_6)×(-5)×(-3)
-12+15=3