Question

Elimine os parenteses e calcule
-21-7-6-(-15)-2-(-10)

Answer 1

-21-7-6+15-2+10
-21-7-6-2+15+10
-36+25
R= -11

Answer 2

Olá,

Vamos lá,

=-21-7-6-(-15)-2-(-10)
=-21-7-6+15-2+10
=-36+25
= -11