Question

Porfa ayudenme es una operacion combinadaaa
- 12 {-7 + [-4 (-2×39 + 5 - (-10 -2) ] + 15}
doy coronaaaaaaaaaa¡¡¡¡

Answer 1

Respuesta:

- 12 {-7 + [-4 (-2×39 + 5 - (-10 -2) ] + 15} =

-12{-7+[-4(-79+5-(-12)]+15} =

-12{-7+[-4(-74-(-12)]+15} =

-12{-7+[-4(-62)]+15} =

-12{-7+[-66]+15} =

-12{-73+15} =

-12-58 =

-70