1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/23 03:38:36
1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?1/1X3+1/3X5+1/5x7+1/7+9+…+1/49
1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?
1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?
1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?
1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51
=1/2*（1-1/3+1/3-1/5+1/5-1/7+...+1/49-1/51）
=1/2*（1-1/51）
=25/51
25/51