化简:|1/2-1|+|1/3-1/2|+|1/4-1/3|+……+|1/2010-1/2009|
2个回答
原式=1-1/2+1/2-1/3+……+1/2009-1/2010
=1-1/2010
=2009/2010
相关问题
(-1*1/2)+(-2*1/3)+(-3/1*1/4)+...+(-1/2009*2010)+(-1/2010*1/2
1/1*2+1/2*3+1/3*4+.1/2009*2010=?
1/1*2+1/2*3+1/3*4+…+1/2009*2010
|1/2-1|+|1/3-1/2|+1/4-1/3|+...|1/2009-1/2008|+|1/2010-1/2009
1.-|-3|= 2.+|-3|= 3.-|+3|= 4.|1/2011-1/2010|+|1/2010-1/2009|
|1/3-1/2|+|1/4-1/3|+...+|1/2010-1/2009|
数学题哈化简 |1/2010-1/2009|+|1//2009-1/2008|+|1/2008-1/2007|-|1/2
(1/2+1/3+1/4+...+1/2010)(1+1/2+1/3+...+1/2009)-(1+1/2+1/3+..
1/(1*20)+1/(2*3)+1/(3*4).+1/(2009*2010)=?
计算:|2/1-1|+|3/1-2/1|+|4/1-3/1|.+|2010/1-2009/1|?