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{[(123:3+362:2)-64x3+a]x182:14}-7x100:5=614

Răspuns :

{[(123:3+362:2)-64x3+a]x182:14}-7x100:5=614
{[(41+181)-192+a]x182:14}-140=614
[(222-192+a)x182:14]-140=614
(30+a)x182:14=614+140 (=754)
(30+a)x182=754x14 (=10556)
30+a=10556:182 (=58)
a=58-30
a=28