Submitted
                    
                    
                Teachers & Educators
                    www.Matika.in - have fun with mathematics
Team Leader
                        Andrej Probst
                    Solution Team:
                                                 
                            
                                Andrej Probst
                                
                            
                         
                            
                                Ján Kovács
                                
                            
                         
                            
                                Markéta Dvořáková