已知三阶矩阵$A$满足$\mid A-E\mid=\mid A-2E\mid=\mid A-3E\mid=0$,则$\mid A\mid$=( )。 A: $4$ B: $6$ C: $12$ D: $3$
已知三阶矩阵$A$满足$\mid A-E\mid=\mid A-2E\mid=\mid A-3E\mid=0$,则$\mid A\mid$=( )。 A: $4$ B: $6$ C: $12$ D: $3$
设$A,B$是$n$阶正交矩阵,且$\mid A\mid=-\mid B\mid$,则( ). A: $A+B$可逆 B: $A+B$不可逆 C: $\mid A+B\mid=1$ D: $\mid A+B\mid=-1$
设$A,B$是$n$阶正交矩阵,且$\mid A\mid=-\mid B\mid$,则( ). A: $A+B$可逆 B: $A+B$不可逆 C: $\mid A+B\mid=1$ D: $\mid A+B\mid=-1$
A stakeholder engagement assessment matrix supports comparison between the current engagement levels of stakeholders and ( ) required for successful project delivery. A: The standard engagement levels B: The desired engagement levels C: The maximum engagement levels D: The minimum engagement levels
A stakeholder engagement assessment matrix supports comparison between the current engagement levels of stakeholders and ( ) required for successful project delivery. A: The standard engagement levels B: The desired engagement levels C: The maximum engagement levels D: The minimum engagement levels
Excel2010从18份身份证号中获取出生日期可以使用()函数。 A: MID(A1,6,8) B: MID(A1,7,8) C: =MID(A1,6,8) D: =MID(A1,7,8)
Excel2010从18份身份证号中获取出生日期可以使用()函数。 A: MID(A1,6,8) B: MID(A1,7,8) C: =MID(A1,6,8) D: =MID(A1,7,8)
船舶电台海上移动业务识别码的组成是( )。 A: MID X1X2X3X4X5X6 B: 0 MID X1X2X3X4X5 C: 00 MID X1X2X3X4 D: 00 MID X1X2X3X4X5
船舶电台海上移动业务识别码的组成是( )。 A: MID X1X2X3X4X5X6 B: 0 MID X1X2X3X4X5 C: 00 MID X1X2X3X4 D: 00 MID X1X2X3X4X5
如果A1单元格中有某人的身份证号,如何提取他的出生年月日 A: mid(A1,7,4) B: mid(A1,4,7) C: mid(A1,7,8) D: mid(A1,8,7)
如果A1单元格中有某人的身份证号,如何提取他的出生年月日 A: mid(A1,7,4) B: mid(A1,4,7) C: mid(A1,7,8) D: mid(A1,8,7)
从A1单元格里的18位身份证号提取8位生日信息的准确公式是:()。 A: mid(A1,7,8) B: mid(A1,8,7) C: mid(A1,6,8) D: mid(A1,8,6)
从A1单元格里的18位身份证号提取8位生日信息的准确公式是:()。 A: mid(A1,7,8) B: mid(A1,8,7) C: mid(A1,6,8) D: mid(A1,8,6)
The line of authority that extends from upper organizational levels to lower levels, clarifying who reports to whom, is known as the ________.
The line of authority that extends from upper organizational levels to lower levels, clarifying who reports to whom, is known as the ________.
According to Maslow's hierarchy of needs, lower levels of needs and higher levels may come into play at the same time.
According to Maslow's hierarchy of needs, lower levels of needs and higher levels may come into play at the same time.
代码填空【使用递归实现二分查找】 int binarySearch(int a[], int key, int low, int high) { if (low > high) return -1; int mid; mid = (low + high) / 2; if (key == a[mid]) return mid; else if (key < a[mid]) return ________(1)__________; else return ________(2)______________; }
代码填空【使用递归实现二分查找】 int binarySearch(int a[], int key, int low, int high) { if (low > high) return -1; int mid; mid = (low + high) / 2; if (key == a[mid]) return mid; else if (key < a[mid]) return ________(1)__________; else return ________(2)______________; }