中国大学MOOC: http://edu-image.nosdn.127.net/_PhotoUploadUtils_96d707ae-e70b-4446-86e4-aabdfc36c4cf.png为四阶矩阵，则http://edu-image.nosdn.127.net/_PhotoUploadUtils_77267963-3eea-41b5-80b6-086bbd4cb613.png
举一反三
- 中国大学MOOC: 4、函数http://edu-image.nosdn.127.net/_PhotoUploadUtils_329edcbc-8af7-48c7-ab12-90699308a1b5.png在http://edu-image.nosdn.127.net/_PhotoUploadUtils_84fc348a-8d91-435a-adaa-bdf92e730779.png处连续，则http://edu-image.nosdn.127.net/_PhotoUploadUtils_329edcbc-8af7-48c7-ab12-90699308a1b5.png在http://edu-image.nosdn.127.net/_PhotoUploadUtils_84fc348a-8d91-435a-adaa-bdf92e730779.png处可微。
- 中国大学MOOC: 计算4阶行列式http://edu-image.nosdn.127.net/3045F49932D0AC819A9B60977283EC1A.png?imageView&thumbnail=890x0&quality=100，其结果为（ ）。
- 中国大学MOOC: 假设矩阵http://edu-image.nosdn.127.net/_PhotoUploadUtils_479ac29f-82d1-4f84-9d60-58a56ba9b073.png，那么http://edu-image.nosdn.127.net/_PhotoUploadUtils_1000aab0-2656-4318-8971-b19a6ba372e2.png
- 中国大学MOOC: 已知生存函数http://edu-image.nosdn.127.net/_PhotoUploadUtils_61057f4c-6d3c-4ae4-9ded-1bbdd091df14.png，http://edu-image.nosdn.127.net/_PhotoUploadUtils_c6b5568e-5dde-43af-96f2-fe8c3f9a616c.png，则http://edu-image.nosdn.127.net/_PhotoUploadUtils_8eb68cda-8d50-4450-8a9c-b6f8c5a0cb3f.png为（ ）。
- 中国大学MOOC: 3-8线译码器74LS138的引脚4为高电平时，输出http://edu-image.nosdn.127.net/_PhotoUploadUtils_f3ff8c47-547a-4df5-aea7-fa341efb52a4.png为http://edu-image.nosdn.127.net/C69FB941F254D587588DC03A965E814B.PNG?imageView&thumbnail=890x0&quality=100