{"id":"matematyka-2014-grudzien-probna-podstawowa/zad/7","paper_id":"matematyka-2014-grudzien-probna-podstawowa","number":"7","points":1,"ptype":"closed","subject":"matematyka","category":"probna","year":2014,"month":"grudzien","level":"podstawowa","text":"Zadanie 7. (0-1)\nPołowa sumy\n28\n28\n28\n28\n4\n4\n4\n4\n\n\n\njest równa\nA.\n30\n2\nB.\n57\n2\nC.\n63\n2\nD.\n112\n2","answer":"B","answer_text":"\n3,\n lub\n\nx\n\n7\nx\n\n3","solution":null,"image":"img/matematyka-2014-grudzien-probna-podstawowa/zad-7.webp","solution_image":null,"topics":"wykladnicza","page_from":4,"source":"ocr","answer_source":null,"answer_text_source":"ocr","solution_source":null,"text_source":"ocr","source_label":"Matematyka · Matura próbna · grudzień 2014 (podstawowa)","subject_label":"Matematyka","category_label":"Matura próbna","text_html":"<p>Zadanie 7. (0-1)<br>Połowa sumy<br>28<br>28<br>28<br>28<br>4<br>4<br>4<br>4<br><br><br><br>jest równa<br>A.<br>30<br>2<br>B.<br>57<br>2<br>C.<br>63<br>2<br>D.<br>112<br>2</p>","answer_text_html":"<p><br>3,<br> lub<br><br>x<br><br>7<br>x<br><br>3</p>","solutions":[]}