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Repede , va rog !
Multumesc


Repede Va Rog Multumesc class=

Răspuns :

x/4=y/3
x/y=4/3

(x+y)/(3x+2y) = [(x+y):y]/[(3x+2y):y]=(x/y+1)/(3x/y+2)=

(4/3+1)/(3*4/3+2)=
=(7/3)/(4+2)
=(7/3)/6=
7/18