Question

Resolva as expressões abaixo:
a. -43 - 62 + 17 + 76 =
b. -43 - 62 + 17 - 76 =
c. 10 + [8 + (15 - 11) - 10] + 1 =
d. 15 - [2 - (3 - 5 + 1) - 6] - 1 =​

Answer 1

Explicação passo-a-passo:

-43-62+17+76

-105+17+76

-88+76

-12

-43-62+17-76

-105+17-76

-88-76

-164

10+[8+(15-11)-10]+1

10+[8+4-10]+1

10+[12-10]+1

10+2+1

12+1

13

15-[2-(3-5+1)-6]-1

15-[2-(-2+1)-6]-1

15-[2-(-1)-6]-1

15-[2+1-6]-1

15-[3-6]-1

15-[-3]-1

15+3-1

18-1

17