A.0,4
B.-1,4
C.-1,-4
D.1.4
[单选题]:9,-4,7,4,5,-4,3,4,1,-4,( ),( )。A.0,4B.-1,4C.-1,-4D.1.4
[主观题]20/9,4/3,7/9,4/9,1/4,()A、3/7;B、5/12;C、5/36;D、7/36
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
[主观题]1,9,7,4,8,5,(),11A、3B、4C、5D、6
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[单选题]若有int a[3][4]={1,2,3,4,5,6,7,8,9,10,11,12};int(*q)[3]=a,*p a[0];则能够正确表示数组元素 a[1][2]的表达式是 ______。A.*((*q+1)[2])B.*(*(p+5))C.(*q+1)+2D.*(*(a+1)+2)
[单选题]:1,4,3,5,2,6,4,7,( )。A.1 B.2 C.3 D.4
[主观题]a=[1,2,4,2,4,5,7,10,5,5,7,8,9,0,3],编程用sort进行排序,然后从最后一个元素开始判断?