Răspuns :
Fie numărul - x
[tex]x+\dfrac{x}{2}+\dfrac{x}{4}=77|\cdot 4 \\ 7x=7\cdot11\cdot4 \\ x=44[/tex]
[tex]x+\dfrac{x}{2}+\dfrac{x}{4}=77|\cdot 4 \\ 7x=7\cdot11\cdot4 \\ x=44[/tex]