Răspuns :
x= numarul cerut
[tex]x+\dfrac x2+\dfrac x4=77\Rightarrow4x+2x+x=77\cdot4\Rightarrow7x=77\cdot4\Rightarrow [/tex]
[tex]\Rightarrow x=\dfrac{77\cdot4}{7}=44[/tex]
[tex]x+\dfrac x2+\dfrac x4=77\Rightarrow4x+2x+x=77\cdot4\Rightarrow7x=77\cdot4\Rightarrow [/tex]
[tex]\Rightarrow x=\dfrac{77\cdot4}{7}=44[/tex]