Question

Elimine os parenteses e calcule :A:(-34)+(+12)=B:(-84)+(+84)=C:(+48)+(-66)=D:(-91)+0:E:0+(+77)=

Answer 1

-34+12= -22
-84+84= 0
48-66= -18
-91+0= -91
0+77= 77

Answer 2

Olá,

Vamos lá

A:(-34)+(+12)= - 34 + 12 = -22

B:(-84)+(+84)= -84 + 84 = 0

C:(+48)+(-66)= 48 - 66 = - 18

D:(-91)+0= - 91

E:0+(+77)= 77