等差数列4,2,0,﹣2,……的公差d=2( ).
等差数列4,2,0,﹣2,……的公差d=2( ).
已知数列:-2,-4,-8,-16,...求a8的值.(2)已知数列:4,2,0,-2...,求a8的值
已知数列:-2,-4,-8,-16,...求a8的值.(2)已知数列:4,2,0,-2...,求a8的值
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
羊的齿式为 A: 2(0 0 3 0/ 4 0 3 0)=20 B: 2(0 0 3 3/ 4 0 3 3)=32 C: 2(4 0 3 0/ 4 0 3 0)=28 D: 2(4 0 3 3/ 4 0 3 3)=40
羊的齿式为 A: 2(0 0 3 0/ 4 0 3 0)=20 B: 2(0 0 3 3/ 4 0 3 3)=32 C: 2(4 0 3 0/ 4 0 3 0)=28 D: 2(4 0 3 3/ 4 0 3 3)=40
数字信号常采用下列____格式。 A: 4:1:0; B: 4:2:2; C: 4:4:4; D: 4:0:0;
数字信号常采用下列____格式。 A: 4:1:0; B: 4:2:2; C: 4:4:4; D: 4:0:0;
4s轨道上的1个电子的四个量子数为 A: 4, 0, 0, +1/2 B: 4, 1, 0, + 1/2 C: 3, 0, 0, + 1/2 D: 4, 2, 0,+ 1/2
4s轨道上的1个电子的四个量子数为 A: 4, 0, 0, +1/2 B: 4, 1, 0, + 1/2 C: 3, 0, 0, + 1/2 D: 4, 2, 0,+ 1/2
【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]
曲面[img=119x21]17e43bb8d32ac53.png[/img]在点(1,2,0)处的切平面为 A: 4(x-1)+2(y-2)+0*(z-0)=0 B: 4(x+1)+2(y+2)+0*(z-0)=0 C: 4(x-1)+2(y-2)+2(z-0)=0 D: 4(x-1)+(y-2)+0*(z-0)=0
曲面[img=119x21]17e43bb8d32ac53.png[/img]在点(1,2,0)处的切平面为 A: 4(x-1)+2(y-2)+0*(z-0)=0 B: 4(x+1)+2(y+2)+0*(z-0)=0 C: 4(x-1)+2(y-2)+2(z-0)=0 D: 4(x-1)+(y-2)+0*(z-0)=0
矩阵[img=117x63]18034e621c98abd.png[/img]的三个特征值是( ). A: 1, 4, 0 B: 2, 3 , 0 C: 2, 4, 0 D: 2, 4, -1
矩阵[img=117x63]18034e621c98abd.png[/img]的三个特征值是( ). A: 1, 4, 0 B: 2, 3 , 0 C: 2, 4, 0 D: 2, 4, -1
基态某原子中能量最高的电子是( ) A: 3, 2, +1, +1/2 B: 4, 3, 0, +1/2 C: 4, 4, 0, +1/2 D: 2, 2, 0, -1/2
基态某原子中能量最高的电子是( ) A: 3, 2, +1, +1/2 B: 4, 3, 0, +1/2 C: 4, 4, 0, +1/2 D: 2, 2, 0, -1/2