选择题:设a1=(1,1,-2),a2=(0,0,1),a3=(1,-1 ,0),a4=(3,-1,-1)则 题目分类:衡水学院线性代数 题目类型:选择题 查看权限:VIP 题目内容: 设a1=(1,1,-2),a2=(0,0,1),a3=(1,-1 ,0),a4=(3,-1,-1)则向量组a1,a2,a3,a4的秩为( )。A、2 B、4 C、1 D、3 参考答案:
There were many more people who got injured in the There were many more people who got injured in the big fire than _______.A. was 分类:衡水学院线性代数 题型:选择题 查看答案
为了避免斜压破坏,在受弯构件斜截面承载力计算中,通过规定下面哪个条件来限制( )。A. 规定最小配 为了避免斜压破坏,在受弯构件斜截面承载力计算中,通过规定下面哪个条件来限制( )。A. 规定最小配筋率;B. 规定最大配筋率;C. 规定最大截面尺寸限制;D. 分类:衡水学院线性代数 题型:选择题 查看答案