[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNriyy2LHqu2FQhFx9kgJkjLElR_x4j9LQtf24z6Fv94":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":81},[],"2024-06-25 15:33:05",155349524,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},20,"f28721ad9ec4baef0d643c07032a239e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F60770ba58c818a1766f527d0f7885717.png","线性代数","exam_115960349","1.2矩阵的运算(一)","设A,B为n阶方阵,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb6b67b3e72e6ac7136d1ea1444c427f1.webp\">",[19,31,40,49,58,67,76,82,87,90],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-06-25 15:33:04",155349508,[24,25,26,27],"x=2,y=7,z=5","x=-4,y=-5,z=-5","x=-4,y=-5,z=5","x=2,y=-5,z=5","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfc28ef155504f204dc3b6ee1a2c9c13.webp\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F14e34798262bcd0d6d2935022ec31eae.webp\">,若A=-B,则( )","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],155349510,[35,36,37,38],"a=12,b=10","a=5,b=11","a=11,b=0","a=5,b=7","已知\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9aa570b468d7625bc13063b260809cf9.webp\">满足AB=BA,则a,b的值分别为( )",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],155349512,[44,45,46,47],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8c85bbd9e1194af4f294ee1851309205.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fabffa831e2454874c98d97583bd3c572.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3b73e28695803227cb7882aa2662631b.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F161ec518bb19b73c48e890ee2d4d754d.webp\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06523c89fbbccd10f9f7af2198597112.webp\">则ABA-AB=( )",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],155349514,[53,54,55,56],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3433ff4103c925aeaac22597f8b29d5e.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d678560703ebbf19f51dde5160658ee.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0835a10b18d6ed5cb1e29d7b25589c61.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa0d139b7a3f8d4e177b1218e8eaf7b1f.webp\">","设A、B均为n阶方阵,且满足\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F15e39847c0968b700549a1580a6701fa.webp\">则必有( )",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],155349516,[62,63,64,65],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4767c0f6ac838855261eb01d6f54e2f9.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F354b1e39a4ce134cd3400df0cdd6a8c1.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F714b8bc3e1ac6f409662d0113f74c4a6.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa769ea2aff8a62fbb200bd12a0ff519e.webp\">","如果已知矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48fe584a9e57e3a11a6bc38a0e350c8c.webp\">则下列运算结果不为n阶矩阵的是( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],155349518,[71,72,73,74],"2,3,6,-1","-1,6,3,2","1,-6,-3,-1","-2,3,1,-4","如果矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffbeef6324853a67d5786dc26c6bc13e4.webp\">,则a,b,c,d的值分别为( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":29,"type":81},[],155349520,[8,9],"对于同型矩阵A、B,矩阵A+B才有意义",3,{"answer":83,"createTime":5,"id":84,"options":85,"question":86,"source":29,"type":81},[],155349523,[8,9],"如果\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1c11dac883591b69835bf2bb3dac9275.webp\">,并且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae558e48a4f8de6d9394e37c3abbf266.webp\">,那么\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3e369a697bba0448ee9947f30558950f.webp\">",{"answer":88,"createTime":5,"id":6,"options":89,"question":17,"source":29,"type":81},[],[8,9],{"answer":91,"createTime":5,"id":92,"options":93,"question":94,"source":29,"type":81},[],155349525,[8,9],"设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F04a2884274193a9e1d52ad164aa76a8f.webp\">则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F22975de4c8eb19274b2730ffb98edfe6.webp\">"]