A. 6;B. 5;C. 2;D. 3;
[单选题]48 从 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 中任意选出三个数,使它们的和为偶数,则共有()种不同的选法。A. 40B 41C 44D 46
[主观题]3,2,4,3,12,6,48,()A.18;B.8;C.32;D.9;
[单选题]2,4,3,5,6,9,18,( )。A. 14B. 24C. 27D. 36
[单选题]:2/3,4/9,6/27,( )A.1/9B.8/81C.10/81D.12/81
[单选题]99、54、29、16、9、4、3、( )A. 2 B. 1 C. 0 D. -1
[单选题]3,2,4,1,9,7,6,8,( )。A.14B.28C.46D.62
[单选题]1,2,4,3,5,6,9,18,( )。A.14B.24C.27D.36
[单选题]3,2,4,1,9,7,6,8,( )。A.14B.28C.46D.62
[单选题]3,2,4,1,9,7,6,8,( )。A.14B.28C.46D.62