下列数组声明语句中，不正确的是_________。 A: Dim a(9) As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B: Dim a() = {1, 2, 3, 4, 5, 6, 10} C: Dim a( ,) As Single = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}} D: Dim a() As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} E: Dim n As Integer=10Dim a(n) As Single

计算并输出9的阶乘。 jx=1 n=1 do while jx=jx*n enddo 9!=’+’1*2*3*4*5*6*7*8*9=’+’

设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1).

下列一维数组a正确定义的有（）。 A: int a(9); B: int n=9,a[n]; C: int a[2*3+3] D: int n; scanf("%d",&n); int a[n]; E: F: define SIZE1 9 G: define SIZE2 5 int a[SIZE1-SIZE2];

‏Sets:​‏ Aam/a,b,c/:m,n;​‏Endsets​‏Data:​‏ 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

假设x=4,y=2,m=5,n=4,w=12,t=9，则经过表达式（w=x 0
9

中国大学MOOC: 设X~N(2, 9)则Y= (X– 2 )/9 ~N(0,1).

Từ năm 1945,Việt Nam đã có mấy lần đổi tiền? A: 2 B: 5 C: 7 D: 9

【单选题】O(1) , O(10000logn ), O(n!) , O(nlogn) , O(n 2 ) , O(10 5 n) , O(0.0001n 3 ) , O(2 n ) , O(10 -9 n 3 +2n+100)中时间复杂度最高的是 A. O(n!) B. O(10000logn ） C. O(10 5 n) D. O(2 n )

与数学式子[img=43x34]17e0acb62c85ed0.jpg[/img]对应的C语言表达式是 A: 9*x^n/(2*x-1) B: 9*x**n/(2*x-1) C: 9*pow(x,n)*(1/(2*x-1)) D: 9*pow(n,x)/(2*x-1)