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Error message

Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /customers/d/a/8/freewiski.be/httpd.www/includes/menu.inc).

oef. breuken optellen

Hoe kunnen we rationale getallen optellen of aftrekken ?
 
  1. op gelijke noemer brengen
  2. tellers optellen of aftrekken
Created by ML