A .17/27
B .17/26
C .19/27
D .19/28
[主观题]1/3,3/9,2/3,13/21,()A.17/27;B.17/26;C.19/27;D.19/28;
[单选题]:1,4/3,13/9,40/27,()。A.121/81 B.67/81 C.121/51 D.67/51
[单选题]1,4/3,13/9,40/27,()。A.121/81 B.67/81 C.121/51 D.67/51
[单选题]2/3,3/5,5/8,9/13,()A.2/3B.5/7C.16/21D.17/22
[单选题]:1+1,2+3,3+5,1+7,2+9,3+11,1+13,…第40项为( )A.1+83 B.1+81 C.1+79 D.1+77
[单选题]1+1,2+3,3+5,1+7,2+9,3+11,1+13,…第40项为( )A.1+83 B.1+81 C.1+79 D.1+77
[单选题]1/3,4/7,7/11,2/3,13/19,( )A.16/21B.16/23C.18/21D.17/21
[单选题]1/3,4/7,7/11,2/3,13/19,()A.16/21B.16/23C.18/21D.17/21
[单选题]3,3+,5+,9,( ),13+A.9+B.10+C.11+D.12+
[单选题]有程序:INTEGERM(3,3)DATAM/1,2,3,4,5,6,7,8,9/DO10I=1.3DO10J=1,3K=M(I,J)M(I,J)=M(J,I)M(J,I)=K10CONTINUEWRITE(*,100)((M(I,J),J=1,3),I=1,3)100FORMAT(1x,3I2)END此程序执行后的结果为:()A . 1;4;7;2;5;8;3;6;9B . 1;2;3;4;5;6;7;8;9C . 9;6;3;8;5;2;7;4;1D . 7;8;9;4;5;6;1;2;3