Question

(4+8-3+9)-4-(4+7-3-2)+(12+5-2)​

Answer 1

(12-3+9)-4-(11-3-2)+(17-2)
(9+9)-4-(8-2)+15
18-4-6+15
14-6+15
8+15
23

Answer 2

(4+8-3+9)-4(-4-7+3+2)+(12+5-2)

18-4-6+15

=23

Respuesta=23