{"id":"informator-maturalny-matematyka-2010/zad/81","paper_id":"informator-maturalny-matematyka-2010","number":"81","points":2,"ptype":"open","subject":"matematyka","category":"informator-maturalny","year":2010,"month":null,"level":null,"text":"Zadanie 81. (2 pkt)\nŚrednia arytmetyczna liczb: 3, 1, 1, 0, x, 0 jest równa 2. Oblicz x.\n87","answer":null,"answer_text":null,"solution":"Średnia z liczb 3,1,1,0,x,0 wynosi 2: (3+1+1+0+x+0)/6=2, więc 5+x=12, x=7.\nOdpowiedź: x=7.","image":"img/informator-maturalny-matematyka-2010/zad-81.webp","solution_image":null,"topics":null,"page_from":86,"source":"ai","answer_source":null,"answer_text_source":null,"solution_source":"ai","text_source":"ocr","source_label":"Matematyka · Informator maturalny · 2010","subject_label":"Matematyka","category_label":"Informator maturalny","text_html":"<p>Zadanie 81. (2 pkt)<br>Średnia arytmetyczna liczb: 3, 1, 1, 0, x, 0 jest równa 2. Oblicz x.<br>87</p>","solutions":[{"source":"ai","label":"AI","kind":"text","html":"<p>Średnia z liczb 3,1,1,0,x,0 wynosi 2: (3+1+1+0+x+0)/6=2, więc 5+x=12, x=7.<br>Odpowiedź: x=7.</p>"}]}