Question

(+3)-[(-9)-(+8)-(+7)+(-4)]+(-7)= ?

Answer 1

Explicación paso a paso:

(+3)-[(-9)-(+8)-(+7)+(-4)]+(-7)

(+3)-[-9-8-(+7)+(-4)]+(-7)

(+3)-[-17-4]+(-7)

(+3)-[-21]+(-7)

3+21-7

24-7

16

El resultado final es 16.