@Article{MC-4-2,
author = {},
title = {善科网 —— 数学趣题专栏},
journal = {数学文化},
year = {2013},
volume = {4},
number = {2},
pages = {24--25},
abstract = {<p style="text-align:center"><img src="/uploads/ueditor/image/20200810/1597043580291913.png" title="1597043580291913.png" alt="image.png" width="267" height="199"/></p><p style="text-align: justify; margin-bottom: 10px;">甲、乙、丙、丁和戊玩一种游戏，其中每个人充当狼或羊。狼说的总是假的，而羊说的总是真的。<br/>甲说乙是羊；<br/>丙说丁是狼；<br/>戊说甲不是狼；<br/>乙说丙不是羊；<br/>丁说戊和甲是不同的动物。<br/>请问有几只狼？<br/></p>},
issn = {2617-8656},
doi = {https://doi.org/2013-MC-11635},
url = {https://global-sci.com/article/89870/%E5%96%84%E7%A7%91%E7%BD%91%20%E2%80%94%E2%80%94%20%E6%95%B0%E5%AD%A6%E8%B6%A3%E9%A2%98%E4%B8%93%E6%A0%8F}
}