成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">30、<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:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1143" type="#_x0000_t75" style='width:12pt;height:15pt' o:ole=""> <v:imagedata src="xxds05.files/image009.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="16" height="20" v:shapes="_x0000_i1143" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image129.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1143" DrawAspect="Content" ObjectID="_1604818952"> </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"">是可逆矩阵</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_i1144" 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_i1144" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image091.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1144" DrawAspect="Content" ObjectID="_1604818953"> </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"">的一个特征值，则</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_i1145" 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_i1145" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image091.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1145" DrawAspect="Content" ObjectID="_1604818954"> </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"">的伴随矩阵</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_i1146" type="#_x0000_t75" style='width:16.8pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds05.files/image130.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="22" height="22" v:shapes="_x0000_i1146" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image131.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1146" DrawAspect="Content" ObjectID="_1604818955"> </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"">必有一个特征值为（</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" style="line-height:150%">31、<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_i1034" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image007.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1034" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image008.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1034" DrawAspect="Content" ObjectID="_1604818812"> </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</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_i1035" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds04.files/image003.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1035" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image004.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1035" DrawAspect="Content" ObjectID="_1604818813"> </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"">阶方阵，</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_i1036" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image009.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1036" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image010.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1036" DrawAspect="Content" ObjectID="_1604818814"> </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:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1037" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image007.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1037" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image008.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1037" DrawAspect="Content" ObjectID="_1604818815"> </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"">经过若干次矩阵的初等变换后得到的矩阵，则有（</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">32、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning: 0pt">已知向量</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:39.0pt;mso-text-raise:-39.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1294" type="#_x0000_t75" style='width:3in;height:85.2pt' o:ole=""> <v:imagedata src="xxds03.files/image365.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="288" height="114" v:shapes="_x0000_i1294" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image366.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1294" DrawAspect="Content" ObjectID="_1604819021"> </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"">，若</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_i1295" type="#_x0000_t75" style='width:13.2pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds03.files/image367.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="22" v:shapes="_x0000_i1295" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image368.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1295" DrawAspect="Content" ObjectID="_1604819022"> </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"">可由</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1296" type="#_x0000_t75" style='width:52.2pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image369.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="70" height="26" v:shapes="_x0000_i1296" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image279.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1296" DrawAspect="Content" ObjectID="_1604819023"> </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"">线性表出那么（</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></p>
- 2022-09-12 [单选] <p class="MsoNormal">19、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设随机变量</span><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:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path> <o:lock v:ext="edit" aspectratio="t"></o:lock> </v:shapetype><v:shape id="_x0000_i1025" type="#_x0000_t75" style='width:14.4pt; height:12.6pt' o:ole=""> <v:imagedata src="xxdsb10.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1025" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1025" DrawAspect="Content" ObjectID="_1604906000"> </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"">的期望和方差相等，则</span><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_i1026" type="#_x0000_t75" style='width:14.4pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb10.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="19" height="17" v:shapes="_x0000_i1026" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1026" DrawAspect="Content" ObjectID="_1604906001"> </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"">不能服从（</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" align="left" style="text-align:left;mso-pagination:widow-orphan; vertical-align:middle">19、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_14" o:spid="_x0000_i1038" type="#_x0000_t75" style='width:357pt;height:48pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image014.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="476" height="64" v:shapes="图片_x0020_14" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image014.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%">38、<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_i1244" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds03.files/image295.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1244" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image264.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1244" DrawAspect="Content" ObjectID="_1604818970"> </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"">个未知量的齐次线性方程组</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_i1245" type="#_x0000_t75" style='width:40.2pt;height:15pt' o:ole=""> <v:imagedata src="xxds03.files/image296.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="54" height="20" v:shapes="_x0000_i1245" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image297.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1245" DrawAspect="Content" ObjectID="_1604818971"> </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"">有非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:150%">2、<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">二次型矩阵</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position: relative;top:39.0pt;mso-text-raise:-39.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1347" type="#_x0000_t75" style='width:82.8pt;height:85.2pt' o:ole=""> <v:imagedata src="xxds05.files/image429.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="110" height="114" v:shapes="_x0000_i1347" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image430.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1347" DrawAspect="Content" ObjectID="_1604819159"> </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";mso-font-kerning:0pt">的正惯性指数为（</span><span style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">5、<span style="font-size:12.0pt;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"><span style="position:relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1348" type="#_x0000_t75" style='width:121.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds04.files/image447.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="162" height="26" v:shapes="_x0000_i1348" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image448.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1348" DrawAspect="Content" ObjectID="_1604819129"> </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"">是三阶方阵的三个特征值，对应特征向量分别为</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1349" type="#_x0000_t75" style='width:46.2pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds04.files/image449.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="62" height="26" v:shapes="_x0000_i1349" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image450.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1349" DrawAspect="Content" ObjectID="_1604819130"> </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"">，且存在可逆矩阵</span><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_i1350" type="#_x0000_t75" style='width:12.6pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image451.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="17" height="18" v:shapes="_x0000_i1350" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image452.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1350" DrawAspect="Content" ObjectID="_1604819131"> </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"">，使得</span><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_i1351" type="#_x0000_t75" style='width:40.2pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds04.files/image453.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="54" height="22" v:shapes="_x0000_i1351" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image390.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1351" DrawAspect="Content" ObjectID="_1604819132"> </o:OLEObject> </xml><![endif]--><span style="position:relative;top:28.0pt;mso-text-raise: -28.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1352" type="#_x0000_t75" style='width:88.2pt;height:63pt' o:ole=""> <v:imagedata src="xxds04.files/image454.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="118" height="84" v:shapes="_x0000_i1352" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image455.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1352" DrawAspect="Content" ObjectID="_1604819133"> </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"">，则</span><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_i1353" type="#_x0000_t75" style='width:24pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image456.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="32" height="18" v:shapes="_x0000_i1353" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image457.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1353" DrawAspect="Content" ObjectID="_1604819134"> </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"">（</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></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">33、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_94" o:spid="_x0000_i1119" type="#_x0000_t75" style='width:430.8pt;height:24pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image101.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="574" height="32" v:shapes="图片_x0020_94" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image101.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">8、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_122" o:spid="_x0000_i1144" type="#_x0000_t75" style='width:276.6pt;height:104.4pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image120.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="369" height="139" v:shapes="图片_x0020_122" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image120.png"> <!--[endif]--></span></p>