Question

10-3-(9+1)+(-14+1)+6-2

(A) -23
(B)-12

Answer 1

10-3-(9+1)+(-14+1)+6-2
=10-3-10+(-13)+6-2
=10-3-10-13+6-2
= 7-10-13+6-2
= -3-13+6-2
= -16+6-2
= -10-2
= -12

Resposta: letra (B)

Answer 2

10- 3-(9+1= 10 )+(-14+1=-13)+6-2= 12