Răspunsuri

2016-12-27T23:03:34+02:00
Pai : 600/3 = 200 kg (cantitatea de lana pierduta)

600 - 200 = 400 kg (lana curata a ramas)
2016-12-27T23:31:17+02:00
600x2/3=1200/3=400kg
................................................
1 5 1