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。困难替换1.A = 36−2−2A−1 = 困难替换2.A = 66−2−1A−1 = 困难替换3.A = −4−1−3−1A−1 = 困难替换4.A = 0−24−4A−1 = 困难替换5.A = −2−4−10A−1 = 困难替换6.A = 6240A−1 = 困难替换7.A = −205−4A−1 = 困难替换8.A = −32−21A−1 = 困难替换9.A = −4−1−50A−1 = 困难替换10.A = −3−614A−1 = 困难替换11.A = 30−60A−1 = 困难替换12.A = 5−6−35A−1 = 答案 — 二阶矩阵的逆矩阵练习二阶矩阵的逆矩阵1.−13−113122.−16−11313.−113−44.−1214−1205.0−1−14126.01412−347.−120−58−148.1−22−39.0−15−14510.−23−1161211.不存在逆矩阵（行列式为 0）12.57673757由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷