计算:(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7...+1/2011+1/2013)-(1+1/3+1/5+1/7+...+1/2011+1/2013)(1/3+1/5+1/7+...+1/2009+1/2011)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 11:43:46
计算:(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7...+1/2011+1/2013)-(1+1/3+1/5+1/7+...+1/2011+1/2013)(1/3+1/5+1/7+...+1/2009+1/2011)
计算:(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7
...+1/2011+1/2013)-(1+1/3+1/5+1/7+...+1/2011+1/2013)(1/3+1/5+1/7+...+1/2009+1/2011)
计算:(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7...+1/2011+1/2013)-(1+1/3+1/5+1/7+...+1/2011+1/2013)(1/3+1/5+1/7+...+1/2009+1/2011)
(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7...+1/2011+1/2013)-(1+1/3+1/5+1/7+...+1/2011+1/2013)(1/3+1/5+1/7+...+1/2009+1/2011)
=(1+1/3+5/1+7/1+...+1/2009+1/2011)(1/3+1/5+1/7...+1/2011)+(1+1/3+5/1+7/1+...+1/2009+1/2011)/2013-(1+1/3+1/5+1/7+...+1/2011)(1/3+1/5+1/7+...+1/2009+1/2011)-(1/3+5/1+7/1+...+1/2009+1/2011)/2013
=1/2013