3, 5, 7, 9, 13, 15, 21, 23, ( )A29B31C33D35
3, 5, 7, 9, 13, 15, 21, 23, ( )
A29
B31
C33
D35
A29
B31
C33
D35
参考解析
解析: 解析从第三项开始,奇数项减去前面的偶数项得到新数列:2、4、6、(8),成等差数列,则未知项为。
故正确答案为B。
故正确答案为B。
相关考题:
计算:(1)(-8)+(-9);(2)(-17)+21;(3)(-12)+25;(4)45+(-23);(5)(-45)+23(6)(-29)+(-31);(7)(-39)+(-45)(8)(-28)+37;(9)(-13)+0.
采用初始增量为4的希尔排序法对没有关键码序列{15,10,4,26,14,2,13,19,17,5,9, 23},按照关键码值递增的次序排序,一趟扫描后的结果为A.{14,2,4,19,15,5,9,23,17,10,13,26}B.{2,9,4,26,14,15,13,19,17,5,9,23}C.{10,4,15,14,2,13,19,16,5,9,23,26}D.{10,15,4,2,14,13,19,16,5,9,23,26}
采用初始增量为4的希尔排序法对没有关键码序列{15,10,4,26.14,2,13,19,17,5,9, 23},按照关键码值递增的次序排序,一趟扫描后的结果为A.{14,2,4,19,15,5,9,23,17,10,13,26}B.{2,9,4,26,14,15,13,19,17.5,9,23}C.{10,4,15,14,2,13,19,16,5,9,23.26}D.{10,15,4,2,14,13,19,16,5,9,23,26}
下面程序的输出结果是______。 main() { int a[3][4]={1,3,5,7,9,11,13,15,17,19,21,23}; int(*p)[4]=a,i,j,k=0; for(i=0;i<3;i++) for(j=0;j<2;j++) k=p[i][j]; printf("%d\n",k); }A.17B.18C.19D.23
采用初始增量为4的希尔排序法,对没有关键码序列{15, 10,4,26,14,2,13,19,17,59,23}按照关键码值递增的次序排序,一趟扫描后的结果为( )。A.{14,2,4,19,15,10,13,26,17,59,23}B.{2,9,4,26,14,15,13,19,17,5,9,23}C.{10,4,15,14,2,13,19,16,5,9,23,26}D.{10,15,4,2,14,13,19,16,5,9,23,26}
单选题有以下程序 #include main() { inta[3][4]={1,3,5,7,9,11,13,15,17,19,21,23},(*p)[4]=a,i,j,k=0; for(i=0;i for(j=0;j printf("%d",k); } 程序运行后的输出结果是( )。A99B68C60D108