Question

resolva eliminando os parênteses:
1) ( -8 ) + ( +6 ) =
2) ( +10 ) + ( -10 ) =
3) ( +10 ) + ( -4 ) =
4) ( +3 ) + ( -7 ) =
5) ( +3 ) + ( -1 ) =
6) ( -7 ) + ( -1 ) =
7) ( +7 ) - ( -4 ) =
8) ( +5 ) - ( -9 ) =
9) ( -2 ) - ( -1 ) =
10) ( +6 ) - ( -6 ) =
11) ( -12 ) - ( +30 ) =
12) ( -1.000 ) - ( + 800 ) =

Answer 1

Explicação passo-a-passo:

1) -8+6= -2

2) +10-10= 0

3) +10-4= 6

4) +3-7= -4

5) +3-1= 2

6) -7-1= -8

7) +7+4= 11

8) +5+9= 14

9) -2+1= 1

10) +6+6= 12

11) -12-30= -42

12) -1000-800= -1.800