帮我化一下行阶梯形,线性代数必采纳加关注秒采纳了

2025-06-26 10:20:17
推荐回答(1个)
回答1:

4 ,1 ,1, 2
0,-11, 9, 6
0, 0, 0 ,0
0, 0, 0 ,0