成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">21、<span style="font-family:宋体">谓词公式x(P(x)∨(yR(y))→Q(x))中变元x是（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">40、<span style="font-family:宋体">A，B是集合，P（A），P（B）为其幂集，且<img width="57" height="19" src="http://wljy.whut.edu.cn//uploadfiles/word/lsss002.files/image023.png">，则P(A)∩P(B)为（ ）</span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-bottom:7.5pt;text-align:left; mso-pagination:widow-orphan;background:white">18、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-bidi-font-family:Arial;color:windowtext;mso-font-kerning: 0pt">若关系<span lang="EN-US">R</span>是对称的，则其关系图中若两个结点之间有弧线，就一定是有双向两条弧。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">31、<span style="font-family:宋体">下列所示的哈斯图所对应的偏序集中能构成格的是（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">28、<span style="font-family:宋体">设D的结点数大于1，D=<V,E>是强连通图，当且仅当（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">25、<span style="font-family:宋体">设A={{1，2，3}，{4，5}，{6，7，8}}，下列选项正确的是（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">39、<span style="font-family:宋体">设P：天下大雨,Q：他在室内运动,命题“除非天下大雨，否则他不在室内运动”可符合化为（ ）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">38、<span style="font-family:宋体">下列式子正确的是（ ）</span></p>
- 2022-09-12 [多选] <p class="MsoNormal">2、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">两输入与非门输出为0时，输入应满足______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">2、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">在下图所示电路中，电路______的输出为高电平。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>