Open blade-sensei opened 4 years ago
http://www.bibmath.net/ressources/index.php?action=affiche&quoi=mathsup/methodes/series.html
training: https://www.mon-qi.com/test-logique/serie-numerique/test.php
http://www.bibmath.net/ressources/index.php?action=affiche&quoi=mathsup/methodes/series.html