Respostas

  • Usuário do Brainly
2013-07-25T22:54:13-03:00

(1 ) / 2=  (1 9) / 2
1+9 / 2 = 5
1-9 / 2 = - 4
x' = 5 e x'' = -4

Letra B


(3 ) / 2 = (3 5) / 2
3 + 5 / 2 = 4
3 - 5 / 2 = -1
x' = 4 e x'' = -1

Letra C


(8 ) / 2 = (8 6) / 2
8 + 6 / 2 = 7
2 / 2 = 1
x' = 7 e x'' = 1
1 5 1