成考院校在线答案
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%">11、<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">设矩阵</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_i1339" type="#_x0000_t75" style='width:27pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image419.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="36" height="26" v:shapes="_x0000_i1339" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image420.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1339" DrawAspect="Content" ObjectID="_1604819066"> </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:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1340" type="#_x0000_t75" style='width:73.8pt;height:18pt' o:ole=""> <v:imagedata src="xxds03.files/image421.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="98" height="24" v:shapes="_x0000_i1340" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image422.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1340" DrawAspect="Content" ObjectID="_1604819067"> </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"">，</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_i1341" type="#_x0000_t75" style='width:16.2pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image423.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="22" height="26" v:shapes="_x0000_i1341" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image424.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1341" DrawAspect="Content" ObjectID="_1604819068"> </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_i1342" type="#_x0000_t75" style='width:13.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds03.files/image425.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="16" v:shapes="_x0000_i1342" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image426.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1342" DrawAspect="Content" ObjectID="_1604819069"> </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"">阶单位矩阵，下述结论中正确的是（</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>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%">9、<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">下列二阶方阵中可对角化的是（</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>
- 2024-03-05 [单选] <p class="MsoNormal">20、<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">实二次型的矩阵</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:28.0pt;mso-text-raise:-28.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1283" type="#_x0000_t75" style='width:105pt;height:63pt' o:ole=""> <v:imagedata src="xxds05.files/image313.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="140" height="84" v:shapes="_x0000_i1283" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image314.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1283" DrawAspect="Content" ObjectID="_1604819094"> </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"">，若此二次型的正惯性指数为</span><span lang="EN-US" style="font-size:12.0pt">3</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:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1284" type="#_x0000_t75" style='width:22.2pt;height:15pt' o:ole=""> <v:imagedata src="xxds05.files/image315.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="30" height="20" v:shapes="_x0000_i1284" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image316.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1284" DrawAspect="Content" ObjectID="_1604819095"> </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>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%">20、<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_i1095" 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_i1095" 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_i1095" DrawAspect="Content" ObjectID="_1604818904"> </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"">是一个</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_i1096" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds05.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1096" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1096" DrawAspect="Content" ObjectID="_1604818905"> </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</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_i1097" type="#_x0000_t75" style='width:30pt;height:15pt' o:ole=""> <v:imagedata src="xxds05.files/image081.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="40" height="20" v:shapes="_x0000_i1097" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image082.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1097" DrawAspect="Content" ObjectID="_1604818906"> </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，下列陈述中正确的是（</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>
- 2024-03-05 [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"">设总体</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;position:relative;top:5.0pt; mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1312" type="#_x0000_t75" style='width:64.8pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image438.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="86" height="22" v:shapes="_x0000_i1312" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image373.png"> <!--[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"">，</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1313" type="#_x0000_t75" style='width:30pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image456.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="40" height="22" v:shapes="_x0000_i1313" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image457.png"> <!--[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"">是总容量为</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%">2</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"">的样本，</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1314" type="#_x0000_t75" style='width:26.4pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image458.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="35" height="22" v:shapes="_x0000_i1314" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image375.png"> <!--[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"">为未知参数，下列</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="mso-spacerun:yes"> </span></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"">样本函数不是统计量的是（</span><span style="font-size:12.0pt"> </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 lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%">38、<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">矩阵（</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">）是二次型</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_i1332" type="#_x0000_t75" style='width:84pt;height:21pt' o:ole=""> <v:imagedata src="xxds05.files/image401.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="112" height="28" v:shapes="_x0000_i1332" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image402.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1332" DrawAspect="Content" ObjectID="_1604819143"> </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"">的矩阵</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%">19、<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%;mso-font-kerning:0pt">4</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">个</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%; mso-font-kerning:0pt">3</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">维列向量</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_i1127" type="#_x0000_t75" style='width:70.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image145.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="94" height="26" v:shapes="_x0000_i1127" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image146.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1127" DrawAspect="Content" ObjectID="_1604818852"> </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"">组成的矩阵经初等行变换后变为</span><span lang="EN-US" style="font-size: 12.0pt;line-height:150%"><span style="position:relative;top:28.0pt; mso-text-raise:-28.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1128" type="#_x0000_t75" style='width:199.2pt;height:63pt' o:ole=""> <v:imagedata src="xxds03.files/image147.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="266" height="84" v:shapes="_x0000_i1128" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image148.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1128" DrawAspect="Content" ObjectID="_1604818853"> </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%"><span style="position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1129" type="#_x0000_t75" style='width:16.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image149.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="22" height="26" v:shapes="_x0000_i1129" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image150.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1129" DrawAspect="Content" ObjectID="_1604818854"> </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"">可表示为</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_i1130" type="#_x0000_t75" style='width:28.2pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image151.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="38" height="26" v:shapes="_x0000_i1130" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image152.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1130" DrawAspect="Content" ObjectID="_1604818855"> </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"">（</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>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">35、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_174" o:spid="_x0000_i1198" type="#_x0000_t75" style='width:137.4pt;height:21pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image180.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="183" height="28" v:shapes="图片_x0020_174" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image180.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan; vertical-align:middle">24、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_23" o:spid="_x0000_i1047" type="#_x0000_t75" style='width:297pt;height:78.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds01.files/image023.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="396" height="105" v:shapes="图片_x0020_23" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image023.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal">26、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">一枚硬币投掷两次，令</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_i1040" type="#_x0000_t75" style='width:24pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb06.files/image031.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="32" height="25" v:shapes="_x0000_i1040" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image032.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1040" DrawAspect="Content" ObjectID="_1604818903"> </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"">“第</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1041" type="#_x0000_t75" style='width:6.6pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb06.files/image033.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="9" height="17" v:shapes="_x0000_i1041" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image034.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1041" DrawAspect="Content" ObjectID="_1604818904"> </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"">次正面朝上”</span><span style="font-size:12.0pt"> <span lang="EN-US"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1042" type="#_x0000_t75" style='width:41.4pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb06.files/image035.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="55" height="21" v:shapes="_x0000_i1042" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image036.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1042" DrawAspect="Content" ObjectID="_1604818905"> </o:OLEObject> </xml><![endif]--></span></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"">，则“至多有一次正面朝上可表示为（</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>