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x supra y=0,(6), aflati x supra x+y ??? Va rag muuult!!! Nu stiu!! :((



Răspuns :

x/y=6/9=2/3 =>x=2y/3
2y/3 : (2y/3 + y)=2y/3 : (2y+3y)/3=2y/3 · 3/5y
=>x/(x+y)=2/5