1/1/10 1/11 1/12 1/13 1/14 1/15 1/16 1/17 1/18 1/19化简后整数部分是多少
来源:百度知道 编辑:UC知道 时间:2024/05/14 03:17:01
1/1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19化简后整数部分是多少
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)>1/(1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10)=1/(10/10)=1
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)<1/(1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19)=1/(10/19)=1.9
所以
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)化简后整数部分是1
0啊~~~~算都不用算~~~
哦~~~~那样啊~~~~~那样就是1咯,那个大于0.5的小于1
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)>1/(1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10+1/10)=1/(10/10)=1
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)<1/(1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19+1/19)=1/(10/19)=1.9
所以
1/(1/10+1/11+1/12+1/13+1/14+1/15+1/16+1/17+1/18+1/19)化简后整数部分是1
这是对的别听他们说
这种题目```` 一般答案都是第一位数
1-1/2+1/3-.....-1/10
1/8=1/( )+1/( )1 1/10=1/( )+1/( )1/12=1/( )+1/( )+1/( )
计算1/(1-1/2)/(1-1/3)/……/(1-1/10)
1/6+1/8+1/10+1/12+..........+1/202=?
1/2+1/3+1/4+1/5+.......+1/10
一:1/8=1/( )+1/( )二:1/10=1/( )+1/( )三:1/12=1/( )+1/( )+1/( )
(1/2-1)*(1/3-1)*(1/4-1)*(1/5-1)*(1/6-1)*(1/7-1)*(1/8-1)*(1/9-1)*(1/10-1)
1-1/10-1/100-1/1000-1/10000
巧算:1-1/10-1/100-1/1000-.......1/1000000
1+1/3+1/6+1/10+...1/5050