1/100+3/100+5/100+……95/100+97/100+99/100=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 00:01:45
1/100+3/100+5/100+……95/100+97/100+99/100=?

1/100+3/100+5/100+……95/100+97/100+99/100=?
1/100+3/100+5/100+……95/100+97/100+99/100=?

1/100+3/100+5/100+……95/100+97/100+99/100=?
1/100+3/100+5/100+……95/100+97/100+99/100
=(1+3+5+……+99)/100
=[(1+99)*50/2]/100
=25

1/100+3/100+5/100+.........+97/100+99/100
=(1+3+5+……+97+99)/100
=[(1+99)+(3+97)+……+(49+51)]/100
=100*25/100
=25
3