Răspunsuri

2014-10-25T14:20:38+03:00
Notam : X-struguri albi Y-struguri negri Z-struguri roz 600kg = x+y+z 500kg= y+z 300kg= x+z (x+y+z)-(y+z)= 100 = x x+z= 300 => z = 300-100= 200 600-100-200= 300= y