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复数 · 历年高考数学真题与解析

本页汇总 高考真题检索 的「复数」高考数学真题共 2 道,覆盖 2018–2020 年,最常出题型为 解答题;含完整答案与解析。

2questions
Past questions included
2018–2020
Years covered
区分题为主
Overall difficulty
Free-response
Most common question type
Practice This Topic Do 5 reliable past questions first, then see the answers and explanations after you submit
常用解题方法函数与方程化归与转化待定系数法
常见易错点忽略判别式漏解符号错误
Core competencies应用

Past Question List

2020 Jiangsu Gaokao Free response Differentiating Question 21 2020_江苏卷 (2020)

21.平面上点 $A(2,-1)$ 在矩阵 $\boldsymbol{M}=\left[\begin{array}{ll}a & 1 \\ -1 & b\end{array}\right]$ 对应的变换作用下得到点 $B(3,-4)$ .
(1)求实数 $a, b$ 的值;
(2)求矩阵 $M$ 的逆矩阵 $M^{-1}$ 。

B.[选修4-4:坐标系与参数方程]

2018 Shanghai Gaokao Fill in the blank Differentiating Question 10 2018_上海卷 (2018)

10.设 $m \in R$ ,若 z 是关于 $x$ 的方程 $x^{2}+m x+m^{2}-1=0$ 的一个虚根,则 $|\bar{z}|$ 的取值范围是 $\_\_\_\_$

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