Odpowiedź :
100g-----135g
wiec w 50g-----135/2g=67,5g
100g----175g
wiec w 50g----175/2g=87,5g
87,5g - 67,5g=20g
SPOSOB 2.
175-135=40g na 100g wody wiec
50----40/2= 20g
100g-----135g
wiec w 50g-----135/2g=67,5g
100g----175g
wiec w 50g----175/2g=87,5g
87,5g - 67,5g=20g
SPOSOB 2.
175-135=40g na 100g wody wiec
50----40/2= 20g