[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhN3Yqnc7_vmnF47V9lGkoooQ9Fuo4NECxQgWQdI6aVI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-11-02 12:23:41",164161833,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb566ba41e058871d5e45c8f144553ea7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69a84e20238aed944fea441d5bb65330.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa685b1c0ef751ea4a47b654e8e85518b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff5243842c44054ba6a64c258a3895a91.png\">",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},12,"cfb898059cddda93005421793882f236","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcec5b56832d1691f16be0c7bece0c41e.jpg","线性代数（理本）","work_37644005","第3次作业202410","下列等式中,正确的是( )",[21,33,43,46,56,66,76,85,94,100],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-11-02 12:23:39",164161828,[26,27,28,29],"T = kAT","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F583aa0cbf2a8f1d6217d746b6ff5338d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6bbc2dbf96c95c55da42890ec79d741.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e86c9ecf08007dba023fad2763d9338.png\">","设A、B均为n阶方阵,则下列等式不正确的是( )","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2024-11-02 12:23:40",164161829,[38,39,40,41],"-11k3","11k3","-11k","11k","设 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F612995a0da2a49641955d507a31f044e.png\">,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f1ef5747a4cf2e7640632cde5dccbe9.png\">( )",{"answer":44,"createTime":5,"id":6,"options":45,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":47,"createTime":48,"id":49,"options":50,"question":55,"source":31,"type":32},[],"2024-11-02 12:23:43",164161838,[51,52,53,54],"AAT是s×s对称矩阵","AAT = ATA","T = AAT","ATA是s×s对称矩阵","设A是s×n矩阵(s≠n),则以下关于矩阵A的叙述正确的是( )",{"answer":57,"createTime":58,"id":59,"options":60,"question":65,"source":31,"type":32},[],"2024-11-02 12:23:44",164161846,[61,62,63,64],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffd3aeaa03239cd5892784b189314dd3b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F88cb90b7d3777bb546b70b661ee94a5b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff81d1e6833716fd57319ef6df7ee01f9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F478ac8a10baf5a3a0d49a2d1b7eec3de.png\">","设矩阵\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed4e4d10f35b6858216dae90747f60a0.png\">,k为正整数,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab7d012ec014900047342dda66ffe8ea.png\">( )",{"answer":67,"createTime":68,"id":69,"options":70,"question":75,"source":31,"type":32},[],"2024-11-02 12:23:45",164161850,[71,72,73,74],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F62aec767a86f861dbc926aed7cc1e2db.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc3f2459c62e8dd3c7246bebe0469244e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7a8e5880835d17e4ab4cbc8a24f9c224.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdac450053c4256186d2bd59e0457eade.png\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe9815f8a25a32e7d7f1f9c4afe88acac.png\">, 则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7ff26c18823d4afd379695e606a7f3f8.png\">( )",{"answer":77,"createTime":68,"id":78,"options":79,"question":84,"source":31,"type":32},[],164161854,[80,81,82,83],"-1\u002F4","1\u002F4","1","-1","设A为3阶方阵,且已知\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab96c65f7d653e09bad28f87d4205748.png\">,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb7dcc9efdbd77a6fce935a914956e63a.png\">( )",{"answer":86,"createTime":68,"id":87,"options":88,"question":93,"source":31,"type":32},[],164161858,[89,90,91,92],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e5d8ded5756a63befb2f4e23168ea16.png\">或 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4a803ff982766cb7b45272dafbec0d5f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe0d9afd25126168048cc4ee53384c6dc.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6405fe5aff4e488d58ef8c786e53b141.png\">或 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbd14ee8ab21737fe3443de3544d53c36.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F94db830bc98878e6fd9bb9c1c21b0983.png\">","设A、B是同阶方阵,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb6c57ca78a7777e5fb27c75381e4be28.png\">,则必有( )",{"answer":95,"createTime":96,"id":97,"options":98,"question":30,"source":31,"type":32},[],"2024-11-02 13:03:12",164166131,[99,27,28,29],"(kA)T = kAT",{"answer":101,"createTime":96,"id":102,"options":103,"question":55,"source":31,"type":32},[],164166134,[51,52,104,54],"(ATA)T = AAT"]