👤

{[7×8-6^2):5+3^2]-5}:2^2-2=

Răspuns :

{[(7×8-6^2):5+3^2]-5}:2^2-2=

={ [(56 - 36) : 5 +9] - 5} : 4 - 2 =

= [(20 : 5 + 9) - 5] : 4 - 2 =

= [(4+ 9) - 5] : 4 - 2 =

= (13 - 5) : 4 - 2 =

= 8 : 4 - 2 =

= 2 - 2 =

= 0