Невозможно установить Libreoffice на Ubuntu 16.04? [дубликат]

Я очистил свой libreoffice, но затем не смог снова установить libreoffice в моей системе Ubunut 16.04.

Ниже приведена ошибка. Пожалуйста помоги. Сообщите мне, если что-то еще понадобится с моей стороны.

sudo apt-get install libreoffice
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libreoffice : Depends: libreoffice-base but it is not going to be installed
               Depends: libreoffice-calc but it is not going to be installed
               Depends: libreoffice-core (= 1:6.3.1~rc1-0ubuntu0.16.04.1~lo6) but it is not going to be installed
               Depends: libreoffice-draw but it is not going to be installed
               Depends: libreoffice-impress but it is not going to be installed
               Depends: libreoffice-math but it is not going to be installed
               Depends: libreoffice-report-builder-bin but it is not going to be installed
               Depends: libreoffice-writer but it is not going to be installed
               Depends: python3-uno (>= 4.4.0~beta2) but it is not going to be installed
               Recommends: fonts-noto-core but it is not installable
               Recommends: fonts-noto-ui-core but it is not installable
               Recommends: libreoffice-gnome but it is not going to be installed
               Recommends: libreoffice-nlpsolver but it is not going to be installed
               Recommends: libreoffice-report-builder but it is not going to be installed
               Recommends: libreoffice-script-provider-bsh but it is not going to be installed
               Recommends: libreoffice-script-provider-js but it is not going to be installed
               Recommends: libreoffice-script-provider-python but it is not going to be installed
               Recommends: libreoffice-sdbc-mysql but it is not going to be installed
               Recommends: libreoffice-sdbc-postgresql but it is not going to be installed
               Recommends: libreoffice-wiki-publisher but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Я провел небольшое исследование и в конце концов застрял на указанной ниже ошибке. Пожалуйста помоги.

sudo apt-get install libreoffice-core 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libreoffice-core : Depends: libstdc++6 (>= 6) but 5.4.0-6ubuntu1~16.04.11 is to be installed
E: Unable to correct problems, you have held broken packages.

sudo apt-cache policy

Package files:
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Pinned packages: