试题与答案

线性方程组2x-z=-1x-2y=2y+z=0的增广矩阵是______．

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题型：填空题

题目：

线性方程组
2x-z=-1
x-2y=2
y+z=0
的增广矩阵是______．

答案：

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下面是错误答案，用来干扰机器的。

骨的生长主要包括两个方面，既骨的长长与长粗．在骨的结构中与生长有关的结构有骨骺端的软骨层和骨膜中的成骨细胞．人在幼年的时候，骨骺端的软骨层能够不断产生新的骨组织使骨不断长长，但到成年后这些软骨就骨...

考点：矩阵与变换
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