Question

b) +4 + [-10 + ( -8 -4 +8 ) -2 + ( + 10 - 7 + 4 -2)] -7 =

Answer 1

Resposta:

= -14

Explicação passo-a-passo:

B)

=+4 + [-10+(-8-4+8) -2+ (+ 10-7 + 4 -2)] -7

= 4 + [-10+(-12+8) - 2 + (3+2)] - 7

= 4 + [-10+(-4) - 2 + 5] - 7

= 4 + [-10-4+3] - 7

= 4 + [-14+3] - 7

= 4 + [-11] - 7

= - 3 - 11

= - 14