Nice little #maths/#math prob to start your day, via @sturdyAlex. Don't tweet the answer, just RT it once you get it.pic.twitter.com/y4YVQXaHAM
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@Gurdur If Piaget is right, then children aren't going to get that right until they hit the concrete operational stage (not young children).
@PhilosophyExp I have no set opinion. Children seem such sneaky little buggers.
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