On Friday, 11 May 2018 at 13:15, Joseph Vidal-Rosset wrote:
> Hello,
>
> I would be  glad to get a  configuration for an easy export  from an org
> file  to  an  odt file.  My  problem  is  that  this org  file  contains
> mathematical  formulae   written  for  LaTeX  export   and  also  tables
> (tabular).

have you tried?  tables work out of the box.  maths equations work
reasonably well if you use the mathml conversion.  On Debian, I had to

  sudo apt install latexml

and then use

  #+options: tex:t

in the org file.

Try and see what happens!

-- 
Eric S Fraga via Emacs 27.0.50, Org release_9.1.11-620-ga548e4