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This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
Odnos dve kružnice
Pomerajte centre kružnica i menjajte njihove poluprečnike. Koliko najviše, a koliko najmanje tačaka preseka mogu imati dve kružnice koje nemaju zajednički centar? Kakav je pri tom odnos brojeva d, r1 i r2?