【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
请阅读下面的程序 public class Test { public static void main(String[] args) { int a = { 2, 0, 4, 1, 8, 3, 5 }; int temp; for (int i = 0; i < a.length - 1; i++) { for (int j = a.length - 1; j > i; j--) { if (aj < aj - 1) { temp = aj; aj = aj - 1; aj - 1 = temp; } } } for (Integer i : a) { System.out.print(i); } }} 下列选项中,哪个是程序的运行结果() A: 8543210 B: 0123458 C: 2041835 D: 以上答案都不对
请阅读下面的程序 public class Test { public static void main(String[] args) { int a = { 2, 0, 4, 1, 8, 3, 5 }; int temp; for (int i = 0; i < a.length - 1; i++) { for (int j = a.length - 1; j > i; j--) { if (aj < aj - 1) { temp = aj; aj = aj - 1; aj - 1 = temp; } } } for (Integer i : a) { System.out.print(i); } }} 下列选项中,哪个是程序的运行结果() A: 8543210 B: 0123458 C: 2041835 D: 以上答案都不对
坩埚膨胀序数以1/2为单位,共有()序数。 A: 0—9 B: 1/2—9 C: 1—9 D: 1—8
坩埚膨胀序数以1/2为单位,共有()序数。 A: 0—9 B: 1/2—9 C: 1—9 D: 1—8
语句填空:下列 for循环语句将输出: 0 1 2 0 1 2 0 1 2 for( i=1; i<=9; i++ ) printf("%2d", ——— );
语句填空:下列 for循环语句将输出: 0 1 2 0 1 2 0 1 2 for( i=1; i<=9; i++ ) printf("%2d", ——— );
下列向量组中,( )是线性无关向量组。 A: (1, 1, 0), (0, 2, 0), (0, 0, 3) B: (1, 2), (3, 0), (5, 1) C: (2, 6, 0), (3, 9, 0), (0, 0, 2) D: (1, 2), (--3, 0), (5, 1)
下列向量组中,( )是线性无关向量组。 A: (1, 1, 0), (0, 2, 0), (0, 0, 3) B: (1, 2), (3, 0), (5, 1) C: (2, 6, 0), (3, 9, 0), (0, 0, 2) D: (1, 2), (--3, 0), (5, 1)
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1).
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1).
Sets: Aam/a,b,c/:m,n;EndsetsData: M,n=2 3 1 9 0 8;Enddata下列说法错误的是 A: m(1)=2,n(1)=9 B: m(1)=2,n(2)=9 C: m(2)=1,n(2)=9 D: m(3)=0,n(3)=8
Sets: Aam/a,b,c/:m,n;EndsetsData: M,n=2 3 1 9 0 8;Enddata下列说法错误的是 A: m(1)=2,n(1)=9 B: m(1)=2,n(2)=9 C: m(2)=1,n(2)=9 D: m(3)=0,n(3)=8
利用行列式的性质计算下列行列式的值1 2 0 0 02 5 0 0 0 9 8 1 2 37 6 4 5 65 4 7 8 9
利用行列式的性质计算下列行列式的值1 2 0 0 02 5 0 0 0 9 8 1 2 37 6 4 5 65 4 7 8 9
设二维随机变量(X,Y)的联合分布列为 XY -1 0 1 -1 1 1/6 1/9 2/9 1/3 0 1/6则P{XY=1}为( ) A: 0 B: 1/6 C: 1/3 D: 2/3
设二维随机变量(X,Y)的联合分布列为 XY -1 0 1 -1 1 1/6 1/9 2/9 1/3 0 1/6则P{XY=1}为( ) A: 0 B: 1/6 C: 1/3 D: 2/3
请阅读下面的程序 [br][/br]public class Test { [br][/br] public static void main(String[] args) { [br][/br] int a = { 2, 0, 4, 1, 8, 3, 5 }; [br][/br] int temp;[br][/br] for (int i = 0; i [ a.length - 1; i++) { <br] for (int j = a.length - 1; j > i; j--) {[br][/br] if (aj [ aj - 1) { <br] temp = aj; [br][/br] aj = aj - 1; [br][/br] aj - 1 = temp; [br][/br] }[br][/br] }[br][/br] }[br][/br] for (Integer i : a) {[br][/br] System.out.print(i); [br][/br] }[br][/br] }[br][/br]} [br][/br]下列选项中,哪个是程序的运行结果() A: 8543210 B: 0123458 C: 2041835 D: 以上答案都不对
请阅读下面的程序 [br][/br]public class Test { [br][/br] public static void main(String[] args) { [br][/br] int a = { 2, 0, 4, 1, 8, 3, 5 }; [br][/br] int temp;[br][/br] for (int i = 0; i [ a.length - 1; i++) { <br] for (int j = a.length - 1; j > i; j--) {[br][/br] if (aj [ aj - 1) { <br] temp = aj; [br][/br] aj = aj - 1; [br][/br] aj - 1 = temp; [br][/br] }[br][/br] }[br][/br] }[br][/br] for (Integer i : a) {[br][/br] System.out.print(i); [br][/br] }[br][/br] }[br][/br]} [br][/br]下列选项中,哪个是程序的运行结果() A: 8543210 B: 0123458 C: 2041835 D: 以上答案都不对