(1-1/2*4)(1-3/3*5)*.*(1-15/9*11)

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/23 21:18:01
(1-1/2*4)(1-3/3*5)*.*(1-15/9*11)
x 1WRi/)8`."s{U_}@Z9P"d A19De:k1cQ ˆ,e 8*HVvZ4H 7l4A]2䔿Wɵeoes}=4ؕ~lc-g&2rm9]f7D@M|

(1-1/2*4)(1-3/3*5)*.*(1-15/9*11)
(1-1/2*4)(1-3/3*5)*.*(1-15/9*11)

(1-1/2*4)(1-3/3*5)*.*(1-15/9*11)
A1=(1*1-1+1)/((1+1)*(1+3))=1/8 1-A1=7/8
A2=(2*2-2+1)/((2+1)(2+3))=3/15 1-A2=12/15
A3=(3*3-3+1)/((2*2+1)(2*2+3)=7/35 1-A3=28/35
A4=(4*4-4+1)/((2*2*2+1)(2*2*2+3))=13/99 1-A4=86/99
原式=(7/8)*(12/15)*(28/35)*(86/99)=1204/2425

(1+1/2+1/3+1/4+1/5)*(1/3+1/4+1)-(1+1/3+1/4)*(1/2+1/3+1/4+1/5) (1+1/2+1/3+1/40)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4)(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4),不好意思,是下面这个! (-2/3)+1/2+4/5+(-1/2)+(-1/3) /1/3-1/2/+/1/4-1/3/+/1/5-1/4/+.+/1/10-1/9/ |1/3-1/2|+|1/4-1/3|+|1/5-1/4|+.+|1/2008-1/2007| |1/3-1/2|+|1/4-1/3|+|1/5-1/4|+...+|1/10-1/9| matlab 编程数组的数据如下：8 1 1 1 1 1 1 3 3 2 1 1 5 1 1 3 1 1 2 1 1 5 3 3 3 1 1 4 5 1 1 1 1 1 2 2 2 2 4 3 1 5 4 2 1 1 1 2 1 3 1 1 2 2 5 2 1 3 2 5 1 1 3 1 1 1 1 2 1 5 4 2 2 1 3 4 1 2 3 1 2 4 4 1 1 1 2 2 2 2 2 1 1 4 4 1 3 2 1 1 5 1 1 3 7 1 1 1 2 3 4 5 1 2 1+1+2+2+3+4+5 1+1 2+2 3+3 4+4 5+5 简算：1/1*2+1/2*3+1/3*4+1/4*5+1/5*6 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5,