百度试题 结果1 题目 (D)27. What's the structure(结构) of the passage? (P=Paragraph)PI P1PI P3P2P1P2P3P4P5P3P4PS P2ΠP3 P4]1P5P5B D 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Barn Sale Bargains Beckon Buyers You Never Know What You May Come Home With
The given system of equations in a matrix form is a of order 2×2 . To find the solution of the system of equations first we find the system in matrix form. If the determinant of the matrix is zero then system has no solution.