1+1/2-2-5/6+3+1/12-4-19/20+5+1/30-6-41/42+7+1/56-8-71/72+9+1/90 |1/2010-1/2009|+|1/2011-1/2010|+|1/2012-1/2011|-|1/2012-1/2009|

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 03:38:48

1+1/2-2-5/6+3+1/12-4-19/20+5+1/30-6-41/42+7+1/56-8-71/72+9+1/90 |1/2010-1/2009|+|1/2011-1/2010|+|1/2012-1/2011|-|1/2012-1/2009|
1+1/2-2-5/6+3+1/12-4-19/20+5+1/30-6-41/42+7+1/56-8-71/72+9+1/90
|1/2010-1/2009|+|1/2011-1/2010|+|1/2012-1/2011|-|1/2012-1/2009|

1+1/2-2-5/6+3+1/12-4-19/20+5+1/30-6-41/42+7+1/56-8-71/72+9+1/90 |1/2010-1/2009|+|1/2011-1/2010|+|1/2012-1/2011|-|1/2012-1/2009|
自己再想想吧

过程没有

自己再想想吧