@Article{MC-4-3,
author = {},
title = {善科网 —— 数学趣题专栏},
journal = {数学文化},
year = {2013},
volume = {4},
number = {3},
pages = {30--31},
abstract = {<p style="text-align:center"><img src="/uploads/ueditor/image/20200810/1597044217861627.png" title="1597044217861627.png" alt="image.png" width="188" height="179"/></p><p style="text-align: justify;">如图所示的白色正八角星，被8个边长为1的小正方形（<span style="text-align: justify;">深灰色部分</span>）和8个“风筝形”（<span style="text-align: justify;">浅灰色部分</span>）包围，求每个“风筝形”的面积。<br/></p>},
issn = {2617-8656},
doi = {https://doi.org/2013-MC-11658},
url = {https://global-sci.com/article/89888/mdashmdash}
}