Question

[(2+2).(-3+4-5+7)]+(-1)

Answer 1

2+2=4 -3-5+4+7=3 -1
4.3-1
12-1
11

Answer 2

Olá,

Vamos lá,

=[(2+2).(-3+4-5+7)]+(-1)

= [ 4 . 3 ] -1

= 12 -1

= 11

Resposta: 11