Odpowiedź :
Zadanie 1
250g-100g=150 g
R: 150 g/100 g H2O
Zadanie 2
330g-30g=300 g
30g---300 g H2O
xg---100 g H2O
x=10 g
R: 10 g/100 g H2O
Zadanie 1
250g-100g=150 g
R: 150 g/100 g H2O
Zadanie 2
330g-30g=300 g
30g---300 g H2O
xg---100 g H2O
x=10 g
R: 10 g/100 g H2O