Odpowiedzi

2009-11-05T19:42:38+01:00
Tuzin to 20% kopy
mendel to 25% kopy
3 2 3
2009-11-05T19:44:27+01:00
A) tuzin to 20 % kopy a mendla to 80 %
b)mendel to 25 % kopy a tuzina 125%

napisz tak 12/60 = 1/5 = 20 % itp
5 4 5
2009-11-05T19:44:44+01:00
Tuzin to 20% z kopy
mendel to 25% z kopy
4 3 4