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矩阵的加减法与数乘练习
矩阵的加减法与数乘 · 1–12
化简。
1.A = −7−8−12, B = −11−312A − B =
2.A = −61−58, B = −6−9−104A − B =
3.A = −40−3−4, B = −55−214A − B =
4.A = −161−8, B = 642−72A − B =
5.A = 9−4−22, B = 8−4254A − B =
6.A = 7−1−43, B = −65953A − B =
7.A = 3−892, B = 821−93A − B =
8.A = −8−290, B = −86294A − B =
9.A = 7−590, B = 51−373A − B =
10.A = −3−33−7, B = 0−4123A − B =
11.A = 99−9−3, B = −34903A − B =
12.A = 7339, B = 5−92−73A − B =
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