这是一题计算题:(请帮忙计算一下,谢谢)|1⼀3-1⼀2|+|1⼀4-1⼀3|+|1⼀5-1⼀4|+…+|1⼀100-1⼀99|

2025-03-03 18:49:11
推荐回答(1个)
回答1:

|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/100-1/99|
=1/2-1/3+1/3-1/4+1/4-1/5+……+1/99-1/100
=1/2-1/100
=49/100