Răspuns :
notăm:
n=numărul
(n+132):2 +205=n | x2
n+132 +410=2n
542=n
n=numărul
(n+132):2 +205=n | x2
n+132 +410=2n
542=n
[(a+132):2]+205=a
(a+132):2=a-205
a+132=2(a-205)
a+132=2a-410
132+410=2a-a
a=542
(a+132):2=a-205
a+132=2(a-205)
a+132=2a-410
132+410=2a-a
a=542