李永乐考研数学线性代数辅导讲义

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• intros：{"brand_intro":"李永乐，清华大学数学科学系教授，考研数学界\"线代王\"，从事考研数学辅导三十余年。其编写的《线性代数辅导讲义》被誉为\"线代圣经\"，以逻辑严密、体系完整著称。李永乐团队还推出《复习全书》《660题》等经典教辅，品牌口碑在考研圈无可撼动，是众多考生线代科目的首选。","product_intro":"《李永乐考研数学线性代数辅导讲义》专攻线性代数科目，覆盖行列式、矩阵、向量、线性方程组、特征值与特征向量、二次型六大核心章节。每章按\"知识框架—基础讲解—典型例题—真题演练\"结构编排，配有李永乐亲授视频二维码。书中总结大量解题技巧与二级结论，帮助考生快速突破线代难点，是强化阶段必备工具书。","key_specs":["适用对象：考研数学一/二/三考生","内容结构：6章+配套视频","题型覆盖：选择题、填空题、解答题","特色模块：李永乐点睛、题型归纳","页数：约400页","出版时间：2025年2月"]}
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