2013/1x2+2013/2X3+2013/3X4+2013/4X5+2013/5X6简便计算,
一道简便计算数学题1X2+2X3+3X4+4X5...+n(n+1)一1X2+2X3+3X4+4X5...+2013X2
1x1-2x2+3x3-4x4+5x5-6x6.-100x100+101x101
1x2分之2010+2x3分之2010+3x4分之2010+4x5分之2010+5x6分之2010简便运算
计算:1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+1/6x7+1/7x8+1/8x9+1/9x10.
1/1X2+1/2X3+1/3X4+1/4X5+1/5X6……1/2007X2008
1x2/1+2x3/1+3x4/1+4x5/1+5x6/1+6x7/1
1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+......1/2008x2009
1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+1/6x7
(2X2)/1X3+(4X4)/(3X5)+(6X6)/(5X7)+...+(20X20)/(19X21)==?
用秦九韶算法计算当X=3时多项式f(x)=7X7+6x6+5x5+4x4+3X3+2x2+X的值
求编程高手.求x1+2*x2+3*x3+4*x4+5*x5+9*x6的最小值
1/1x2+1/2x3+1/3x4+1/4x5...1/2001x2002 简便计算