设[img=35x23]1802ce782dd3127.png[/img]为[img=11x14]1802ce783593578.png[/img]阶矩阵，则下列矩阵为对称矩阵的是（ ）.
A: [img=37x23]1802ce783e72bfe.png[/img]
B: [img=52x23]1802ce7846d4744.png[/img]
C: [img=58x25]1802ce784faa78a.png[/img]
D: [img=68x25]1802ce78584bd14.png[/img]
A: [img=37x23]1802ce783e72bfe.png[/img]
B: [img=52x23]1802ce7846d4744.png[/img]
C: [img=58x25]1802ce784faa78a.png[/img]
D: [img=68x25]1802ce78584bd14.png[/img]
举一反三
- 设[img=35x23]1802fee25d6da59.png[/img]为[img=11x14]1802fee266113da.png[/img]阶矩阵，则下列矩阵为对称矩阵的是（ ）. A: [img=37x23]1802fee26e920c1.png[/img] B: [img=52x23]1802fee276f7488.png[/img] C: [img=58x25]1802fee28023930.png[/img] D: [img=68x25]1802fee28928752.png[/img]
- 设[img=35x23]1803c09ae653022.png[/img]为[img=11x14]1803c09aef41cf7.png[/img]阶矩阵，则下列矩阵为对称矩阵的是（ ）. A: [img=37x23]1803c09af773d8b.png[/img] B: [img=52x23]1803c09affcb7f1.png[/img] C: [img=58x25]1803c09b08087fb.png[/img] D: [img=68x25]1803c09b10024d9.png[/img]
- 设[img=35x23]1802ec572023a08.png[/img]为[img=11x14]1802ec572892064.png[/img]阶矩阵，则下列矩阵为对称矩阵的是（ ）. A: [img=37x23]1802ec57312fe32.png[/img] B: [img=52x23]1802ec573992d70.png[/img] C: [img=58x25]1802ec57419144e.png[/img] D: [img=68x25]1802ec57493e9e5.png[/img]
- 设[img=35x23]1802ce782dd3127.png[/img]为[img=11x14]1802ce783593578.png[/img]阶矩阵，则下列矩阵为对称矩阵的是（ ）. 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 原电池（-）Pt︱Fe[img=17x22]1803dd54de61136.png[/img](1 mol·L[img=17x22]1803dd54e7299c0.png[/img]),Fe[img=17x22]1803dd54f0030fb.png[/img](1 mol·L[img=17x22]1803dd54fa39c0d.png[/img])‖Ce[img=17x22]1803dd5502f9d6b.png[/img]( mol·L[img=17x22]1803dd550b82a7d.png[/img]) ,Ce[img=17x22]1803dd55130efd2.png[/img]( mol·L[img=17x22]1803dd551af174c.png[/img]) ︱Pt(+)的电池反应是( )。 A: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] B: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] C: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] D: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img]