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daca x/y=0.(3) calculati 5x+4y pe 9x+6y

Răspuns :

X/Y = 0,(3) = 3/9 = 1/3
Y = 3X

(5X + 4Y)/(9X + 6Y) =

= (5X + 12X)/ 9X + 18X =

= 17X/27X =

= 17/27