Question

resolva as seguintes expressão a seguir.
a) 9 -2.(-3) .(-1)=
b) (9+2).(-4).(-5-8)=
c)(-4 -1).5 -2. (-2). (-1)=
d) -12 +2.[(5 -2.3)+4].[ -2.2.(-3)]=
e) 9- [-8 +(2.2+1)] .5.( -1) +6=
f) (2 +1).(2 -6).{13 +[ -4+(-2.3 +1)]}=

Answer 1

a)9+5×-1
9+-5
4

b)(11).(-4).(-13)
572

c)(-5).5+4.-1
-5.9.-1
-45.-1
45

d)-12+2.[(5-6)+4].[-4.-3]
-10.[3].[+12]
-10.3.+12
-360

e)9-[-8+5].5.(-1)+6
9+3.5.-1+6
9+15.-1+6
9-15+6
0

f)(3).(4).{13+[-4+(-5)]}
12.{13+[-4-5]}
12.{13-9}
12.-22
-264