Wieczny kalendarz / Perpetual calendar

Wieczny kalendarz dla lat od 1600 do 9999 Perpetual calendar for the years from 1600 to 9999

 

Jerzy Mil

 
Resource Type
Activity
Tags
calendar  kalendarz 
Target Group (Age)
11 – 14
Language
Polish / Język polski‎
 
 
GeoGebra version
4.2
Views
8423
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