Zadanie 5 strona 146 Matematyka z plusem klasa 6

Odpowiedź:
a) 12/60 = 2/10 = 20/100 = 20%
tuzin to 20% kopy
12/15 = 4/5 = 8/10 = 80/100 = 80%
tuzin to 80% mendla
b) 15/60 = 1/4 = 25%
Mendel to 25% kopy
15/12 = 5/4 = 25/20 = 125/100 = 25%
Mendel to 125 % tuzina