[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f37z32zNo6AUVxHi6yQUqKso5K4DNJ93_IPiPn64GEOc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":13,"related":14,"source":23,"type":34},[],"2026-01-26 09:56:50",1093618028,[8,9,10,11],"增广矩阵,行","系数矩阵,列","增广矩阵,列","系数矩阵,行",{},"对线性方程组实施一次初等变换,相当于对它的___矩阵实施一次相应的___初等变换.( )",[15,25,35,38,43,52,57,66,71,80],{"answer":16,"createTime":17,"id":18,"options":19,"question":22,"source":23,"type":24},[],"2026-01-26 09:56:51",1093618006,[20,21],"对","错","已知 23779103,48324037 都是 1009 的倍数,那么\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffbcd7b58c6fab65349a4e7924eecf4b5.png\"> 的值是 1009 的倍数.( )","v2",3,{"answer":26,"createTime":17,"id":27,"options":28,"question":33,"source":23,"type":34},[],1093618024,[29,30,31,32],"充分必要条件","充分不必要条件","必要不充分条件","非充分非必要条件","数域\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb8f8b8552efcbcc6bf5a74d4a8b234f9.png\"> 上的多项式\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80e96d7cdebc51f9da260813faaeca75.png\"> 与其导数不互素是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4a82ceaa75d8d8503c09e4b9c7f908b8.png\"> 有重因式的( )",0,{"answer":36,"createTime":5,"id":6,"options":37,"question":13,"source":23,"type":34},[],[8,9,10,11],{"answer":39,"createTime":17,"id":40,"options":41,"question":42,"source":23,"type":24},[],1093618032,[20,21],"设给定映射 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F00197e3907dc92d6c6fc790481c8e1a9.png\"> .那么 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc573fae16cffc930a73ae3f218900dd8.png\"> 是 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7918a6fee53c10f373f478717cba16ca.png\"> 到 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fef7e37dd6b79eea646317f07a2c96bb5.png\"> 的映射.( )",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":23,"type":34},[],1093618034,[47,48,49,50],"行阶梯形矩阵","列阶梯形矩阵","对角矩阵","单位矩阵","矩阵的初等变换可以用于求解线性方程组,其核心思想是通过初等变换将矩阵化为___.( )",{"answer":53,"createTime":17,"id":54,"options":55,"question":56,"source":23,"type":24},[],1093618065,[20,21],"如果 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3ad8049882b453f6eebde16418a65ad7.png\"> 且 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa69b24e8e91c4b589fac5e82abadc659.png\"> 是两个整数,那么存在唯一的一对整数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F56e6ae3d44d92a18d3e30401929ced53.png\"> 和 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6a18c921c1db4a0f5e75b200a65d9b91.png\"> 使得 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11c984833dabac63f38424a603dab5e7.png\"> .( )",{"answer":58,"createTime":17,"id":59,"options":60,"question":65,"source":23,"type":34},[],1093618073,[61,62,63,64],"1","2","3","4","设矩阵A为3×4矩阵,且其秩为2,若从A中选择3行构成矩阵B,则矩阵B的秩最大为多少?( )",{"answer":67,"createTime":17,"id":68,"options":69,"question":70,"source":23,"type":24},[],1093618088,[20,21],"假设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F935320624476e47eef4aa830186d32e5.png\"> 是数域\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F757b06acb9eb9996153f773f180e372a.png\"> 上的三个多项式. 那么\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F66bcb49a1069372a78369c12e80cab94.png\"> 并且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F62a9c8548ba9ba518ba3ed9ae8027308.png\"> 是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa3c7e5038299cd6a111ea00f5fb848f5.png\"> 的一个充分必要条件.( )",{"answer":72,"createTime":17,"id":73,"options":74,"question":79,"source":23,"type":34},[],1093618097,[75,76,77,78],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F152440cc3f756b3fbca8b51c47e7494f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F21374ae3abb1623080d6d7062a503698.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27d26bcf458cff42b70b914f292a5886.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e4d0e91a89be752f17b54eb45f3ed37.png\">或\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F574e735c3049d51ef06b5583da0bff9b.png\">","令\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F938147d751aca46a7b1bd9aa4202e0ca.png\">是有理数集合,那么下列规则是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4260f98f03b4c0dcc79f79d9871d7ec9.png\">的代数运算的是( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":23,"type":34},[],1093618111,[84,85,86,63],"7","9","6","设集合 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa831986db46fd721e908079c95f30331.png\"> .\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F19c72f4c31b123882f69c40b07b62181.png\"> 到 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F813b8f41f9c11c2d0d342bf5cccfc548.png\"> 的一切映射当中,双射有_________个. ( )"]