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【判断题】
列式与它转置行列式互为相反数

正确
错误
【单选题】
设A,B为两随机事件,且A<img class=jc-formula data-tex=\supset src=https://huaweicloudobs.ahjxjy.cn/37A4B3C430EFA04CF480D02C0DFECE89.png style=vertical-align: middle; width: 20px; height: 17px; width=20 height=17/>B,则下列式子正确

P(A<img class=jc-formula data-tex=\cup src=https://huaweicloudobs.ahjxjy.cn/9BD598E68F21E65385221B2250659C3A.png style=vertical-align: middle; width: 22px; height: 14px; width=22 height=14/>B) = P(A)
P(AB)=P(A)<img width=99 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
P(B|A)=P(B)
P(B-A)=P(B)-P(A)<img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
【多选题】
设A,B为两随机事件且<img class=jc-formula data-tex=B\subset A src=https://huaweicloudobs.ahjxjy.cn/625188EC2C532FE4854CE06AB57B5229.png style=vertical-align: middle;/>,则下列式子错误有( )

P(AB)=P(B)
P(AB)=P(A)
P(B|A)=P(B)
P(B-A)=P(B)-P(A)
【判断题】
若行列式中有相同行或列,则行列式值为零.

正确
错误
【单选题】
放养教育方式子性格不包括( )

努力、向上
缺乏自尊感和胜任感
缺乏自我控制能力
任性
【判断题】
列式两行或两列元素位置对调以后,行列式值与原行列式值相差一个负号。

正确
错误
【单选题】
数学式子cos30o写成Visual Basic表达式

cos30
cos(30)
cos(30o)
cos(30*3.14/180)
【判断题】
列式有两行(列)元素成比例,则该行列式为零

正确
错误
【判断题】
主对角线以下元素都为0列式叫做上三角行列式.

正确
错误
【单选题】
下列n(n2)阶行列式中,其值不一定等于-1( )。

<img src=https://huaweicloudobs.ahjxjy.cn/6566624F3977468734C771CE5B0AE418.png title=QQ图片20160107164502.png alt=QQ图片20160107164502.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/4548A92FBCEB702C17DC53D3904E5451.png title=QQ图片20160107164519.png alt=QQ图片20160107164519.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/C18146484A3F41BC0BC3E759A3FB9420.png title=QQ图片20160107164534.png alt=QQ图片20160107164534.png/>
<img src=https://huaweicloudobs.ahjxjy.cn/92990E1F98F71E4E9E12AD8325C553C0.png title=QQ图片20160107164549.png alt=QQ图片20160107164549.png/>