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A comment on Marvin Minsky: What makes mathematics hard to learn? (2008). Parent comment

Re:Marvin Minsky: What makes mathematics hard to learn? (2008) by allemagne on Wednesday January 27, 2016 @09:21AM (#10980079)
I remember knowing 16+16=32 because of doing doubles starting with 1. 1+1=2, 2+2=4, 4+4=8, 8+8=16... if I had to guess, I'd say this is how that little girl knew.
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