|1⼀3-1⼀2|+|1⼀4-1⼀3|+|1⼀5-1⼀4|+…+|1⼀2014-1⼀2013|.

求祝各位高手们!~~~~(>_<)~~~~
2024-12-13 04:31:57
推荐回答(3个)
回答1:

|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2014-1/2013|
=(1/2-1/3)+(1/3-1/4)+1/4-...................-1/2013+(1/2013-1/2014)
=1/2-1/2014
=1007/2014-1/2014
=503/1007

回答2:

|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2014-1/2013|.
=1/2-1/3+1/3-1/4+1/4-1/5+……+1/2013-1/2014
=1/2-1/2014
=553/1007

回答3:

答案等于1007分之503