Question

Elimine os parênteses e calcule: a) + ( – 3 + 8 ) b) – 6 – ( – 3 + 2 ) c) – ( – 3 + 8 ) – ( + 4 – 1 ) d) 20 – ( – 6 + 8 ) + ( – 2 – 6 ) e) 4 + ( 3 – 5 ) + ( 3 – 5 ) f) 18 – ( – 5 – 2 – 3 ) g) 20 – ( – 6 + 8 ) – ( – 1 + 3 ) h) – 32 – 1 – ( – 12 + 14 – 16 ) i) 7 + ( – 5 – 6 ) – ( – 9 + 3 )
ALGUÉM???PFVR!!! ​

Answer 1

Olá

A) + ( – 3 + 8 ) = 5

B) – 6 – ( – 3 + 2 ) = -5

C) – ( – 3 + 8 ) – ( + 4 – 1 ) = -8

D) 20 – ( – 6 + 8 ) + ( – 2 – 6 ) = 10

E) 4 + ( 3 – 5 ) + ( 3 – 5 ) = 0

F) 18 – ( – 5 – 2 – 3 ) = 28

G) 20 – ( – 6 + 8 ) – ( – 1 + 3 ) = 16

H) – 32 – 1 – ( – 12 + 14 – 16 ) = -43

I) 7 + ( – 5 – 6 ) – ( – 9 + 3 ) = 2

Bons Estudos!