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1100-[(128•4-144:x)•2]=172


Răspuns :

1100-[(128•4-144:x)•2]=172

(512-144:x)•2 = 1 100-172

(512-144:x)•2 = 928

512-144:x = 928:2

512-144:x = 464

144:x = 512-464

144:x = 48

x = 144:48

x = 3