{"paper":{"id":"site-3081","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","variant":null,"exam_pdf":null,"key_pdf":null,"question_count":2,"source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-3081/zad/3245","paper_id":"site-3081","number":"3245","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Oblicz średnią arytmetyczną danych przedstawionych na poniższym diagramie częstości","answer":null,"answer_text":null,"solution":null,"image":"img/site/3081/zad-3245.svg","solution_image":"img/site/3081/rozw-3245.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-3081/zad/3246","paper_id":"site-3081","number":"3246","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Średnia arytmetyczna liczb: 3, 1, 1, 0, x, 0 jest równa 2. Oblicz x.","answer":null,"answer_text":null,"solution":null,"image":"img/site/3081/zad-3246.svg","solution_image":"img/site/3081/rozw-3246.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}