{"id":"site-6565/zad/6871","paper_id":"site-6565","number":"6871","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Rozwiąż równanie: -x^3+13x-12 = 0.","answer":null,"answer_text":null,"solution":null,"image":"img/site/6565/zad-6871.svg","solution_image":"img/site/6565/rozw-6871.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","text_html":"<p>Rozwiąż równanie: -x^3+13x-12 = 0.</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/6565/rozw-6871.svg"}]}