5/13和8/13 5/7和5/11 4/5和7/8 2/9和1/6
1 2 3 4 5 6 7 8 9 10
圈出8的倍数. 1 2 3 4 5 6 7 8 9 10
[单选题]4,6,5,7,7,9,11,13,19,21,( )A. 27,29B. 32,33C. 35,37D.41,43
[单选题]4,6,5,7,7,9,11,13,19,21,( ),( )A.27,29B.32,33C.35,37D.41,43
[单选题]( ) 11 9 9 8 7 7 5 6A.10 B、11 C、12 D、13
1 2 3 4 5 6 7 8 9 10 11 12 13 14
[主观题]3/7,5/8,5/9,8/11,7/11,()A.11/14;B.10/13;C.15/17;D.11/12;
[单选题]3/7,5/8,5/9,8/11,7/11,()A . 11/14B . 10/13C . 15/17D . 11/12
[单选题]( ) 11 9 9 8 7 7 5 6A.10 B、11 C、12 D、13
[单选题]1/2,1,7/8 ,5/8 ,13/32 ,( )A. 1/4B. 15/64C. 11/64D. 7/64