remove libreoffice uninstall

1)
sudo apt-get remove libreoffice*.*

2)
sudo apt-get update
sudo apt-get remove --purge libreoffice
sudo apt-get clean
sudo apt-get autoremove
//sudo apt-get install openoffice

3)
sudo apt-get remove libreoffice*.*
sudo apt-get purge
sudo apt-get autoremove
sudo apt-get autoclean