{"paper":{"id":"site-6845","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"variant":null,"exam_pdf":null,"key_pdf":null,"question_count":2,"source_label":"Matematyka · Zbiory zadań","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-6845/zad/6873","paper_id":"site-6845","number":"6873","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"text":"Równanie (3x^2-6x)(x^2-9) / (x-2)(x-3)^2 = 0 w zbiorze liczb rzeczywistych A. nie ma rozwiązań. B. ma dokładnie jedno rozwiązanie: x=0. C. ma dokładnie dwa rozwiązania: x=0, x=-3. D. ma dokładnie cztery rozwiązania: x=0, x=2, x=3, x=-3.","answer":null,"answer_text":null,"solution":null,"image":"img/site/6845/zad-6873.svg","solution_image":"img/site/6845/rozw-6873.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","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-6845/zad/6874","paper_id":"site-6845","number":"6874","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":null,"text":"Niech m/n będzie ułamkiem nieskracalnym. Jeśli do licznika dodamy 6, a do mianownika dodamy 15, jego wartość nie zmieni się. Oblicz liczby m i n.","answer":null,"answer_text":null,"solution":null,"image":"img/site/6845/zad-6874.svg","solution_image":"img/site/6845/rozw-6874.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","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}