作业帮1/1x1/2-1/2x1\3-1\3x1/4...1/99x1/100
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/12 21:37:07
1/1x1/2-1/2x1\3-1\3x1/4...1/99x1/100
1/1x1/2-1/2x1\3-1\3x1/4...1/99x1/100
1/1x1/2-1/2x1\3-1\3x1/4...1/99x1/100
1/1x1/2-1/2x1\3-1\3x1/4...1/99x1/100
=1-1/2+1/2-1/3+...+1/99-1/100
=99/100