Question

AIUDA ...............................................................................................................

Answer 1

Respuesta:

 $-109$

Explicación paso a paso:

$20-[24\div 4+6^2+(\sqrt{81}+2*5^5)]-7*8\div (7-5)\\\\20-[24\div 4+36+(9+2*25)]-7*8\div 2\\\\20-[24\div 4+36+(9+50)]-7*8\div 2\\\\20-[24\div 4+36+59]-7*8\div 2\\\\20-[6+36+59]-56\div 2\\\\20-101-28\\\\-109$