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stiind ca x/y =5/7 , calculati x+y/y

Răspuns :

x/y=5/7 =>x=5
=>y=7
deci =>x+y/y=5+7/7
=>13/7
x/y=5/7 =>x=5 ; y=7 =>x+y/y=5+7/7 =>12/7