题目内容

The algebra teacher in middle school often judged students by their academic performance.

A. 对
B. 错

查看答案
更多问题

The author felt comfortable while sitting in the engineering library.

A. 对
B. 错

行列式是算式求得一个数(外形是竖线) 矩阵是数表(外形是方括号)。

A. 对
B. 错

行列式的行数列数一定相等,而矩阵的行数列数可以不相等。

A. 对
B. 错

矩阵的加减法的前提是同型矩阵。

A. 对
B. 错

答案查题题库