Question

4-[2-8+(1-5+3)+(-4+9-5)]-3-2(-5+9-12+6)​

Answer 1

$4-[2-8+(1-5+3)+(-4+9-5)]-3-2(-5+9-12+6)$

$=4-(-7)-3-2(-5+9-12+6)$

$=4(-7)-3-2(-2)$

$=4-(-7)-3-(-4)$

$=12$

Answer 2

Hola jun0440!

4-[2-8+(1-5+3)+(-4+9-5)]-3-2.(-5+9-12+6)​=

4-[2-8+(-4+3)+(5-5)]-3-2.(4-12+6)​=

4-[2-8+(-1)+0]-3-2.(-8+6)​=

4-[2-8-1+0]-3-2.(-2)=

4-[-6-1]-3-(-4)=

4-[-7]-3+4=

4+7-3+4=

11-3+4=

8+4=

/ 12 /

Espero q te ayude, ten lindo día ❣

Cuidate y suerte.