作业帮2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/02 13:58:20
x)370670fzF@AMR>A5v61 PHPD٣e@Y y@ F 1 w\4<
2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
2/2x4+2/4x6+2/6x8.2/8x10+2/10x2
=1/2-1/4+1/4-1/6……+1/8-1/10+1/10
=1/2