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Daca 12+3b/ 18+2a =0,(6) , atunci a/b=?
DAU COROANA


Răspuns :

(12+3b)/(18+2a) =0,(6)
(12+3b)/(18+2a) =6/9
 
(12+3b)/(18+2a) =2/3
36+9b=36+4a
4a=9b  
a/b=9/4