Răspuns :
fie ziua 1- I, ziua 2- II, ziua 3- III
I=999km/3+20=333+20=353
II=III+46. (1)
II+III=999-353=646km. (2)
Din (1) si (2)=> 2*II+46km=646km
2*II=600km
III=300km
II=999km-300km-353km= 699km-353km=346km
fie ziua 1- I, ziua 2- II, ziua 3- III
I=999km/3+20=333+20=353
II=III+46. (1)
II+III=999-353=646km. (2)
Din (1) si (2)=> 2*II+46km=646km
2*II=600km
III=300km
II=999km-300km-353km= 699km-353km=346km