Duplicate URLs

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I have multiple duplicate URLs. These URLs have the same content, but only in two languages. They are all the same post (post_id = 984), so I can’t remove the bad urls:

https://academy.bit2me.com/como-funciona-blockchain-cadena-de-bloques
https://academy.bit2me.com/como-funciona-blockchain-cadena-de-bloques/
https://academy.bit2me.com/en/como-funciona-blockchain-cadena-de-bloques
https://academy.bit2me.com/en/como-funciona-blockchain-cadena-de-bloques/
https://academy.bit2me.com/en/how-blockchain-blockchain-works
https://academy.bit2me.com/en/how-blockchain-blockchain-works/

How can I select only the correct URLs in bulk?

Thanks in advance