Question

3-7-(-1-8+(-3-1)-5]

-5+3-[-1-(-8-3+1)-7]

-10-9-[-14-1(-16+1)-3]-1

3-[2+4‐(2-7)+1]-[2-(4+7-1)-2]

-2-7-[‐3+1-(1+2-3)+1]-[-7+4-(2+5)]

[-9-11-(-18+21-3)+7]-[-18+21-(3-11+15)]

-4-12-[(-13-20+8)-4]-[-21+16-(-15+3)

me ayudan es para hoy y pongan lo paso a paso xfa gracias ​

Answer 1

Respuesta:

3-7+1-8-3-1-5

(3+7+8+3+1+5)-(7)=

27 - 7 = 20