Quiz: Podwyżki i obniżki
Learning Mode
Progress:
6 of 7
Quiz Preview Mode
You're taking this quiz in preview mode with real feedback! Experience how our detailed explanations help you learn. Your progress won't be saved permanently.
Question
6
Po obniżce o 20% cena wynosi 80 zł. Jaka była cena przed obniżką?
Select one answer.
