Question

9) Resolva (use a forma simplificada):
a) ( + 3 ) + (-2) + (-5)=
b) (-2) – ( + 1 ) - ( + 5 )=
c)( + 4 ) + (-2) - ( + 3 )=
d) ( + 5)-(-3) - (-1)=
e) ( + 4 ) + ( - 6 ) - ( + 7 )- (- 6 ) + ( + 7 )=
f) (-3)-(-5)+ ( - 6 ) + ( + 8 ) - (-4)=​

Answer 1

A. (+3)+(-2)+(-5)

+3 -2 -5

+1 -5

-4

B. (-2)-(-1)-(+5)

+2 +1 -5

+3 -5

-2

C. (+4)+(-2)-(+3)

+4 -2 -3

+2 -3

-1

D. (+5)-(-3)-(-1)

-5 +3 +1

-2 +1

-1

E. (+4)+(-6)-(+7)-(-6)+(+7)

+4 -6 -7 +6 +7

-2 -1 +7

+3 +7

+10

F. (-3)-(-5)+(-6)+(+8)-(-4)

+3 +5 -6 +8 +4

+8 +2 +4

+10 +4

+14

☆Espero ter ajudado ☆

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