需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/LibreOffice:7.6/openSUSE_Tumbleweed/LibreOffice:7.6.repo
zypper refresh
zypper install libreoffice
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/LibreOffice:7.6/15.6/LibreOffice:7.6.repo
zypper refresh
zypper install libreoffice
需要 15.5 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/LibreOffice:7.6/15.5/LibreOffice:7.6.repo
zypper refresh
zypper install libreoffice