Cati kilometri au parcurs in total?

Cati Kilometri Au Parcurs In Total class=

Răspuns :


[tex]x = \frac{x}{2} + \frac{x}{6} + 2 \\ \\ x - \frac{4x}{6} = 2 \\ \\ \frac{2x}{6} = 2 \\ \\ 2x = 12 \\ \\ x = 6 \: km [/tex]

================================

Vezi imaginea 102533