[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwbVu7W_7oaizEVJLUqsknqC3FRf8Y0LeRHc-X7ONRwk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-07 21:22:33",230431636,[8,9,10,11],"零矩阵没有非零子式,规定零矩阵的秩为0","以上均正确","一般地,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0898f5054c2e46ea956115002ff04ef6.png\">矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F761bb4d7df77c707b6024812b4bf261a.png\">的\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feb814780af2f12ac64c36a7d27db6cb4.png\">阶子式共有\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F36c7a03ab2d445f26869708b0d21928e.png\">个","矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F761bb4d7df77c707b6024812b4bf261a.png\">的秩与其转置矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd257984296db0485a71b33b2266214e5.png\"> 的秩相同",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},145,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167657271","215621班期中测试","下列关于矩阵的秩说法正确的是( )",[21,32,41,50,59,68,77,82,91,94],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],230431628,[25,26,27,28],"1","0","2","3","矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F970c955c7c69c27056552e73b8ff62d0.png\">的秩\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfa4ebbbf316073e1d8cde72087bd7eb.png\">( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],230431629,[36,37,38,39],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdcc4d571d6bdf946da6cc0e2977e7e46.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff6b6d0eda41e6d3c04c441692b1b0070.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F174090b3ad243d6b4564660083cd1c40.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F96f531b47a46b17f27d2bf664693f2ba.png\">","当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe455a348c2752c18c335234663254c2e.png\">( )时,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4143f341b6e1b48ebee8d96da39ee6a2.png\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],230431630,[45,46,47,48],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Facb12c64aeb136f60512fa3ed8fa73c5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa63cc7bb09d0aca6e6f07d1ed1c75be7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffca34d3e71c538c360a4036159f8a01c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd2d81aa4fb246a3f211f8423b64734a.png\">","下列运算正确的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],230431631,[54,55,56,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffa1f2ab1b28cb1aa90bd5faa8fdb20f2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d5e123f130caf8778d54a6970c37f2f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2435b239ea3533a70077fd2a7b2fb507.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff3346828bc0485a479f0b3bd55841d45.png\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F761bb4d7df77c707b6024812b4bf261a.png\">为三阶矩阵,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe4e38df26cfec0c5f6610e2055f7be9c.png\">( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],230431632,[63,64,65,66],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9a27b91e766cf5376ad004ad96a322d7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdf2224403ee4bbde527cfa59ea0d890f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Febe95fd79311d03d81a503d28178431e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc7c68948f86e377690bf855c7c30c241.png\">","设有矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F836fe8ad85b3a78db6740fab1f1d4430.png\">则下列运算可运行的是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],230431633,[72,73,74,75],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbe1be48079a6e37eba290e2862107041.png\">","AB","BA","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff0696cc25574f6687d049e17e0a2d28c.png\">","设有矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbaaa42b5a9b40e24a17bed52b4194bd7.png\">,则下列运算可进行的是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":30,"type":31},[],230431634,[25,26,27,28],"矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fca4cfce5476c6bff8c6022692c61eb6b.png\">的秩\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfa4ebbbf316073e1d8cde72087bd7eb.png\">( )",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":30,"type":31},[],230431635,[86,87,88,89],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F95826b83f5efa9ab743b739dbd0e4449.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe6e77fe041873281ae6072e7892cc12a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa9fa7af466f99cd71497657308455d6c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6782b7834f237f573eaecbb12d85b51.png\">","有矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F851eefeaa10afb6964568029424f0da1.png\">,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F36901117d86cdbbd8b0756771835e0fc.png\">的结果矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1bdb2e95e5cddfeb1d831194b29cc65d.png\">为( )",{"answer":92,"createTime":5,"id":6,"options":93,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":30,"type":31},[],230431637,[98,99,100,101],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbe3e9727f661c4f5c58d5b88ce1a3585.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F913d7b8c9fea8afd783bd9dbfb38257f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc2f02d643f026a86b6dea603eae7bb1e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff45487faa958acda79f631c77c39ed4f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F761bb4d7df77c707b6024812b4bf261a.png\">为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffcec676537dd39a35555be123ac2d18a.png\">阶可逆矩阵,下列( )恒成立"]