计算:(1)(-1)100×5+(-2)4÷4;(2)(-3)3-3×(-(1)/(3))4;(3)(7)/(6)×((1)/(6)-(1)/(3))×(3)/
[主观题]计算下面各题。3/4+5/6=2/3-1/4=4/5+11/15+3/10=7-5/7=1/2+2/3=6-(3/4-2/5)=
[单选题]计算:(2£«4£«6£«8£«…£«2010)£(1£«3£«5£«7£«…£«2009)2().A.995B.1011C.1111D.1005
2 -5 1 2-|||--3 7 -1 4-|||-计算 D=-|||-5 -9 2 7-|||-4 -6 1 2
计算:(1)/(3)×(3)/(5)+1(5)/(7)-(5)/(9)×(5)/(7)1-(5)/(7)×(21)/(25)(1)/(2)+(5)/(4)×(4
[单选题]计算:(2+4+6+8+…+2010)一(1+3+5+7+…+2009)=( )。A.995B.1011C.1111D.1005
[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)=--
计算:(1)(-1)10×2+(-2)3÷4;(2)(-5)3-3×(-(1)/(2))4;(3)(11)/(5)×((1)/(3)-(1)/(2))×(3)/