Răspuns :
in 6 zile se vor repera 174 masini
iar in 5 zile se vor repara 145 masini
iar in 5 zile se vor repara 145 masini
87- in 3 zile
87: 3= 29 masini pe zi
29 x 5 = 145 masini in 5 zile
145+29=174 masini in 6 zile
sau
87- masini in 3 zile
87×2=174 masini in 6 zile
174-29=145madini in 5 zile
87: 3= 29 masini pe zi
29 x 5 = 145 masini in 5 zile
145+29=174 masini in 6 zile
sau
87- masini in 3 zile
87×2=174 masini in 6 zile
174-29=145madini in 5 zile