[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?
计算:(1)(-1)100×5+(-2)4÷4;(2)(-3)3-3×(-(1)/(3))4;(3)(7)/(6)×((1)/(6)-(1)/(3))×(3)/
[题目]计算:-|||-(1) ((-1))^100times 5+((-2))^4div 4 ;-|||-(2) ((-3))^3-3times ((-dfr
设2 -2 -4 2 -3 -5-|||-A= -1 3 4 B= -1 4 5-|||-1 -2 -3 1 -3 -4(1)验证2 -2 -4 2 -3 -5
计算5阶行列式-|||-0 2 3 4 5-|||-1 1 3 4 5-|||-1 2 2 4 5 = __-|||-1 2 3 3 5-|||-1 2 3 4
计算:(1)(-1)10×2+(-2)3÷4;(2)(-5)3-3×(-(1)/(2))4;(3)(11)/(5)×((1)/(3)-(1)/(2))×(3)/
[主观题]8:编程实现sum(n)=1!-2!+3!-4!+......+n!
[例3]在1、2、3、4、5、6、7之间放几个"+"号,使它们-|||-的和等于100,试试看。-|||-1 2 3 4 5 6 7=100
[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)=--