|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+.+|1/2008-1/2007|
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/25 09:28:59
|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+.+|1/2008-1/2007|
![|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+.+|1/2008-1/2007|](/uploads/image/z/15122881-1-1.jpg?t=%7C1%2F3-1%2F2%7C%2B%7C1%2F4-1%2F3%7C%2B%7C1%2F5-1%2F4%7C%2B.%2B%7C1%2F2008-1%2F2007%7C)
=1/2-1/3+1/3-1/4+1/4-1/5+1/2007-1/2008
=1/2-1/2008
=1003/2008
=1/2-1/2008
=1003/2008
(-1)+2+(-3)+4+(-5)+.+(-2007)+2008
-1-2-3-4-5-...-2007-2008
1-(1/2-1/3)-(1/3-1/4).-(1/2007-1/2008)=?
巧算1/2*1/3+1/3*1/4+1/4*1/5+……+1/2006*1/2007+1/2007*1/2008
计算:|1/2-1|+|1/3-1/2|+|1/4-1/3|+...+|1/2008-1/2007|+|1/2009-1
初一数学计算题1/1*2+1/2*3+1/3*4+1/4*5+.+1/2007*2008=?
1\(2\3)\(3\4)\.\(2007\2008)
2*1 1/2*1 1/3*1 1/4*1 1/5*.1 1/2006*1 1/2007
计算题1-1/2-1/3+1/4+1/5-1/6-1/7+1/8+1/9……-1/2006-1/2007+1/2008+
1/1*2+1/2*3+1/3*4+1/4*5.+1/2007*2008+1/2008*2009=?
数学找规律:1/2*3+1/3*4+1/4*5+1/5*6.+1/2007*2008=?
1/1*2+1/2*3+1/3*4+1/4*5+.+1/2006*2007