Question

-(8+9-11)=
9-11+13+2-4-5+9=
-(-1-2-3)-(5-5+4+6+9)=
(-1-9)-(5-4+6+8)-(8-7)=
-4-(4+5)-(8-9)+1+6=
SUMAS Y RESTAS COMBINADAS

Answer 1

Respuesta:

-(8+9-11)= -5

9-11+13+2-4-5+9=13

-(-1-2-3)-(5-5+4+6+9)= -13

(-1-9)-(5-4+6+8)-(8-7)=4

-4-(4+5)-(8-9)+1+6=11