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[(38*a+120)\25+54]-980=100
VA ROG AJUTATI-MA!!!


Răspuns :

[(38×a+120):25+54]-980 = 100
(38×a+120):25+54 = 100+980
(38×a+120):25 = 1 080-54
38×a+120 = 1026×25
38×a = 25 650-120
a = 25 530:38
a = 25 530/38