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n+1/18 = 5/6


( / = linia de fractie)




Var rog ajutati-ma, am uitat cum se face.


Răspuns :

n+1/18=5/6
n=5/6-1/18
n = (15-1)/18 = 14/18 = 7/9
n=7/9
n+1/18=5/6
n=5/6-1/18
n=(15-1)/18
n=14/18
n=7/9