成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">12、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_131" o:spid="_x0000_i1153" type="#_x0000_t75" style='width:167.4pt;height:65.4pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image129.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="223" height="87" v:shapes="图片_x0020_131" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image129.png"> <!--[endif]--></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">9、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_116" o:spid="_x0000_i1138" type="#_x0000_t75" style='width:175.8pt;height:24.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image114.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="234" height="33" v:shapes="图片_x0020_116" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image114.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">22、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">若方阵</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position:relative; top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1064" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds05.files/image030.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1064" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1064" DrawAspect="Content" ObjectID="_1604818872"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">与</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1065" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds05.files/image031.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1065" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image032.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1065" DrawAspect="Content" ObjectID="_1604818873"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">等价，则（</span><span style="font-size:12.0pt;line-height: 150%"> </span><span style="font-size:12.0pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">24、<span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1194" type="#_x0000_t75" style='width:14.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb07.files/image286.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1194" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image262.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1194" DrawAspect="Content" ObjectID="_1604819109"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">为连续型随机变量，</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1195" type="#_x0000_t75" style='width:27pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb07.files/image287.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="36" height="21" v:shapes="_x0000_i1195" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image288.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1195" DrawAspect="Content" ObjectID="_1604819110"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">为其概率密度函数，则（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">25、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">对于齐次线性方程组以下说法正确的是（</span><span style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> </span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning: 0pt">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">18、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">设</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position: relative;top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1106" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds03.files/image129.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1106" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image130.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1106" DrawAspect="Content" ObjectID="_1604818831"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">是</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:3.0pt;mso-text-raise: -3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1107" type="#_x0000_t75" style='width:33pt;height:12pt' o:ole=""> <v:imagedata src="xxds03.files/image131.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="44" height="16" v:shapes="_x0000_i1107" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image132.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1107" DrawAspect="Content" ObjectID="_1604818832"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">矩阵，则齐次线性方程</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:3.0pt;mso-text-raise: -3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1108" type="#_x0000_t75" style='width:40.2pt;height:15pt' o:ole=""> <v:imagedata src="xxds03.files/image133.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="54" height="20" v:shapes="_x0000_i1108" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image134.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1108" DrawAspect="Content" ObjectID="_1604818833"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">仅有零解的充分必要条件是（</span><span style="font-size:12.0pt; line-height:150%"> </span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">10、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_84" o:spid="_x0000_i1109" type="#_x0000_t75" style='width:378.6pt;height:21.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image091.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="505" height="29" v:shapes="图片_x0020_84" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image091.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">31、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_179" o:spid="_x0000_i1203" type="#_x0000_t75" style='width:330pt;height:27pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image185.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="440" height="36" v:shapes="图片_x0020_179" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image185.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">25、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">设向量组</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position: relative;top:7.0pt;mso-text-raise:-7.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1113" type="#_x0000_t75" style='width:94.8pt;height:21pt' o:ole=""> <v:imagedata src="xxds03.files/image135.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="126" height="28" v:shapes="_x0000_i1113" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image136.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1113" DrawAspect="Content" ObjectID="_1604818838"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的秩为</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1114" type="#_x0000_t75" style='width:10.2pt;height:10.8pt' o:ole=""> <v:imagedata src="xxds03.files/image137.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="14" v:shapes="_x0000_i1114" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image138.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1114" DrawAspect="Content" ObjectID="_1604818839"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，且</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:3.0pt;mso-text-raise: -3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1115" type="#_x0000_t75" style='width:34.2pt;height:12pt' o:ole=""> <v:imagedata src="xxds03.files/image139.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="46" height="16" v:shapes="_x0000_i1115" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image140.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1115" DrawAspect="Content" ObjectID="_1604818840"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，则以下结论中正确的是（</span><span style="font-size:12.0pt; line-height:150%"> </span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">6、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">设</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1039" type="#_x0000_t75" style='width:38.4pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image019.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="51" height="25" v:shapes="_x0000_i1039" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image020.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1039" DrawAspect="Content" ObjectID="_1604819111"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">为相互独立的随机变量，且</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1040" type="#_x0000_t75" style='width:137.4pt;height:19.2pt' o:ole=""> <v:imagedata src="xxdsb09.files/image023.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="183" height="26" v:shapes="_x0000_i1040" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image024.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1040" DrawAspect="Content" ObjectID="_1604819113"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，则</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"> <o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><span style="mso-tab-count:1"> </span><span style="position:relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1041" type="#_x0000_t75" style='width:109.8pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image025.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="146" height="25" v:shapes="_x0000_i1041" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image026.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1041" DrawAspect="Content" ObjectID="_1604819114"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">分别为（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>