4.6X11/8+8.4/8/11-11/8X5
2x2/1x3+4x4/3x5+6x6/5x7+8x8/7x9+10x10/9x11+12x12/11x13 仔细看看
1/2x5+1/5x8+1/8x11+.+1/32x35
裂项法1/2X5+1/5x8+1/8x11.1/2009x2012=?
2x5/1+5x8/1+8x11/1+.2006x2009/1+2009x2012/1 用裂项法计算
求前n项和1.1/(2X5),1/(5X8),1/(8X11)...2.2^2/(1X3),4^2/(3X5),6^2/
求数列1/2x5,1/5x8,1/8x11...,1/(3n-1)(3n+2)...的前n项和
1/2x5+1/5x8+1/8x11+…………+1/2003x2006+1/2006x2009 = 这是我儿子的小学作业
11份之8除3+3份之1X11份之3简便计算
(7\8-1\5)x5\6=
帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?
已知2的m次方x5的8次方是一个11位整数,求m的整数值
用matlab线性编程 min=8*x1+10*x2+7*x3+6*x4+11*x5+9*x6