Mathematics, 19.01.2020 13:31 Priskittles

There are 100 coins scattered in a dark room. 90 have heads facing up and 10 are facing tails up. you cannot tell which coins are which. how do you sort the coins into two piles that contain the same number of tails up coins?

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There are 100 coins scattered in a dark room. 90 have heads facing up and 10 are facing tails up. yo...

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