Question

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

Answer 1

Hola.

A continuación resolveré la operación combinada:

12 {-7 + [-4 (-2 × 3) + 5 - (-10 -2) ] + 15} =

= -12 { -7 + [-4 (-6) + 5 - (-12) ] + 15} =

= -12 { -7 + [+24 + 5 + 12] + 15} =

= -12 { -7 + [+41] + 15} =

= -12 { -7 + 41 + 15}

= -12 {+49}

= -588