{"id":"site-2651/zad/3293","paper_id":"site-2651","number":"3293","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Ciąg arytmetyczny (a_n) jest określony wzorem a_n=-2n+1 dla n >= 1. Różnica tego ciągu jest równa A. -1, B. 1, C. -2, D. 3","answer":null,"answer_text":null,"solution":null,"image":"img/site/2651/zad-3293.svg","solution_image":"img/site/2651/rozw-3293.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>Ciąg arytmetyczny (a_n) jest określony wzorem a_n=-2n+1 dla n &gt;= 1. Różnica tego ciągu jest równa A. -1, B. 1, C. -2, D. 3</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2651/rozw-3293.svg"}]}