Question

Calcule o valor das expressões:
A) (-12):3+6
B) 4+6.(-2)
C) 5:(-5)+8.(+2)
D) 36:(-6)+5.4

Answer 1

a) (-12) : 3+6
-4+6=2
b) 4+6.(-2)
4-12=-8
c) 5 : (-5)+8.(+2)
-1+16=15
d) 36 : (-6)+5.4
-6+20=14

Answer 2

a) -12/3 + 6
-4 +6
2

b)4+6(-2)
4+(-12)
4-12
-8

c)5/-5+8(+2)
-1+8(+2)
-1+16
15