姓名 ______________________日期 ____________得分 ____ / 12二阶矩阵的逆矩阵练习二阶矩阵的逆矩阵 · 1–12求逆矩阵，或说明它不存在。简单替换1.A = −5−3−2−1A−1 = 简单替换2.A = −120−1A−1 = 简单替换3.A = −251−2A−1 = 简单替换4.A = −1−3−1−2A−1 = 简单替换5.A = −5−443A−1 = 简单替换6.A = 1−101A−1 = 简单替换7.A = −15−16A−1 = 简单替换8.A = 01−15A−1 = 简单替换9.A = −102−1A−1 = 简单替换10.A = 0111A−1 = 简单替换11.A = −1−615A−1 = 简单替换12.A = 3−1−41A−1 = 答案 — 二阶矩阵的逆矩阵练习二阶矩阵的逆矩阵1.1−3−252.−1−20−13.25124.2−3−115.34−4−56.11017.−65−118.5−1109.−10−2−110.−111011.56−1−112.−1−1−4−3由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷