{[(a+2)*2+2]*2+2}*2+2=30 va rog cine răspunde primul corona

Răspuns :

{[(a+2)*2+2]*2+2}*2=30-2
{[(a+2)*2+2]*2+2}*2=28
[(a+2)*2+2]*2+2=28:2
[(a+2)*2+2]*2+2=14
[(a+2)*2+2]*2=14-2
[(a+2)*2+2]*2=12
(a+2)*2+2=12:2
(a+2)*2+2=6
(a+2)*2=6-2
(a+2)*2=4
a+2=4:2
a+2=2
a=2-2
a=0

{[(a+2)*2+2]*2+2}*2+2=30 
{[(a+2)*2+2]*2+2}*2=30-2
{[(a+2)*2+2]*2+2}*2=28
{[(a+2)*2+2]*2+2}=28:2
[(a+2)*2+2]*2+2=14
[(a+2)*2+2]*2=14-2
[(a+2)*2+2]*2=12
[(a+2)*2+2]=12:2
(a+2)*2+2=6
(a+2)*2=6-2
(a+2)*2=4
a+2=4:2
a+2=2
a=2-2
a=0