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VA ROG AJUTATI-MA........DAU COROANA ......

[15*(10X-11)-120]*10-125=25


Răspuns :

(150x-165-120)*10-125=25
(150x-285)*10-125=25
1500x-2850-125=25
1500x-2975=25
1500x=2975+25=3000
x=3000/1500=2