{"id":"site-2648/zad/3120","paper_id":"site-2648","number":"3120","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Ile rozwiązań rzeczywistych ma równanie 5x^4-13 = 0? A. 1, B. 2, C. 3, D. 4","answer":null,"answer_text":null,"solution":null,"image":"img/site/2648/zad-3120.svg","solution_image":"img/site/2648/rozw-3120.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>Ile rozwiązań rzeczywistych ma równanie 5x^4-13 = 0? A. 1, B. 2, C. 3, D. 4</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2648/rozw-3120.svg"}]}