(1)-34 (2)-(-3)3 (3)-(-2/3)4
(4)(4/5)2 (5)-3/22 (6)-(-2/5)3
[试题]计算:(1)72(2)(-6)3(3)(2/3)3(4)(-3)2(5)-23/5(6)-(-3/4)3
[主观题]计算。5/9+(3/4-1/2)1/10+3/8-2/53/5-(2/15+1/3)
[单选题]1×2×3+2×3×4+3×4×5+…+28×29×30=( )。A.188690B.188790C.188890D.188990
[单选题]:(1 234+234 1+34 1 2+4 1 23)÷(1+2+3+4)=( )A.1003B.2000C.1111D.1000
[主观题]1,1,2,2,3,4,3,5,()
[单选题]1,1,2,2,3,4,3,5,()A . 1B . 3C . 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)=--
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8