Question

49+(-39-[60+(-40+35+5)-8]+21

Answer 1

Respuesta:

-21

Explicación paso a paso:

= 49 + (-39 - [60 + 0 - 8] + 21)

= 49 + (-39 - 52 + 21)

= 49 - 39 - 52 + 21

= -21

Answer 2

Respuesta:

49+(-39-[60+(-40+35+5)-8]+21

49+ {-39 - [60-40+35+5-8] +21}

49 +{-39 - 60 + 40-35-5+8] +21}

49-39-60+40-35-5+8+21

=  -21