{"id":"matematyka-2009-listopad-probna-podstawowa/zad/24","paper_id":"matematyka-2009-listopad-probna-podstawowa","number":"24","points":1,"ptype":"closed","subject":"matematyka","category":"probna","year":2009,"month":"listopad","level":"podstawowa","text":"Zadanie 24. (1 pkt)\nŚrednia arytmetyczna pięciu liczb: 5, x, 1, 3, 1 jest równa 3. Wtedy\nA.\n2\nx =\nB.\n3\nx =\nC.\n4\nx =\nD.\n5\nx =","answer":"D","answer_text":null,"solution":null,"image":"img/matematyka-2009-listopad-probna-podstawowa/zad-24.webp","solution_image":null,"topics":"prawdopodobienstwo","page_from":8,"source":"matugen","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"ocr","source_label":"Matematyka · Matura próbna · listopad 2009 (podstawowa)","subject_label":"Matematyka","category_label":"Matura próbna","text_html":"<p>Zadanie 24. (1 pkt)<br>Średnia arytmetyczna pięciu liczb: 5, x, 1, 3, 1 jest równa 3. Wtedy<br>A.<br>2<br>x =<br>B.<br>3<br>x =<br>C.<br>4<br>x =<br>D.<br>5<br>x =</p>","solutions":[]}