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1100-[(128x4-144:x)x2]=172
Va rog! :(


Răspuns :

(512-144:x)x2=1100-172
(512-144:x)x2=928
512-144:x=928:2
512-144:x=464
144:x=512-464
144:x=48
x=144:48
x=3