2007÷2007又2007/2008+1/2009
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 06:49:38
![2007÷2007又2007/2008+1/2009](/uploads/image/z/7096668-60-8.jpg?t=2007%C3%B72007%E5%8F%882007%2F2008%2B1%2F2009)
2007÷2007又2007/2008+1/2009
2007÷2007又2007/2008+1/2009
2007÷2007又2007/2008+1/2009
2007÷2007又2007/2008+1/2009 =2007÷(2007+2007/2008)+1/2009 =2007*2008/(2007*2008+2007)+1/2009 =2007*2008/[2007*(2008+1)]+1/2009 =2008/2009+1/2009 =2009/2009 =1