计算.2\1x3+2\3x5+2\5x7+...+2\2007X2009
1/1x2+1/2x3+1/3x4+1/4x5+```````+1/2008x2009=?
1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+......1/2008x2009
2/1x3+2/3X5+2/5x7=2/7x9+2/9x11
2/1X3+2/3X5+2/5x7+.+2/19x21
已知1-1/3=2/1x3,计算1/1x3+1/3x5+1/5x7+1/7x9+1/9x11=
先阅读再计算2/1x3=1-1/32/3x5=1/3-1/52/5x7=1/5-7=1/7试计算1/1x3+1/3x5+
急求高手解答1/1x2+1/2x3+1/3x4+1/4x5+.+1/2007x2008+1/2008x2009帮忙列出每
2/1x3 + 2/3x5 + 2/5x7 +······+ 2/97x99 + 2/99x101 简便计算
编写一个程序,计算x-1/2*x3/4+1/2*3/4*x5/6-1/2*3/4*5/6*x7/8+.的近似值
计算:1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+1/6x7+1/7x8+1/8x9+1/9x10.
sin(x)=x-x3/3!+x5/5!-x7/7!+……+(-1)nx2n+1/(2n+1)!+…… 编程并计算sin
2/1X3+2/3X5+2/5x7+.+2/19x21全过程(最好带原因),