Can you solve « Einstein’s Riddle »? – Dan Van der Vieren

Can you solve « Einstein’s Riddle »? – Dan Van der Vieren

News from TED_ED : Can you solve this riddle that was supposedly written by Albert Einstein? https://t.co/ElDLI0962d http://pic.twitter.com/K0UaX1lsN8 — TED-Ed (@TED_ED) November 30, 2015
 

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