Răspuns :
[(a+14)-10]+20=60
(a+14)-10=60-20=40
a+14=40+10=50
a+14=50
a=50-14
a=36
v:[(36+14)-10]+20=50-10+20=40+20=60
(a+14)-10=60-20=40
a+14=40+10=50
a+14=50
a=50-14
a=36
v:[(36+14)-10]+20=50-10+20=40+20=60