Respuesta :

xeriana

Answer:

31

Step-by-step explanation:

12−1+2(−1(3−8))(2)

=11+2(−1(3−8))(2)

=11+2((−1)(−5))(2)

=11+(2)(5)(2)

=11+(10)(2)

=11+20

=31

ruizk

Answer:

4

Step-by-step explanation: