median
don steward
mathematics teaching 10 ~ 16

Friday 28 April 2017

unit fraction probability

from a problem posed by David Wells

a ppt is here

possibly of more interest as a context for multiplying fractions (involving cancelling) than combined event probability (without replacement)







note that a particular subset of the unitary fractions: 1/4, 1/9, 1/16 ...
are impossible to achieve


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