Each positive rational number can be written in the form: (a^2+b^3)/(c^5+d^7) where a,b,c,d are positive integers.
The way I looked at it there are four degrees of freedom in the given expression, which could very well be enough, given that the fractions need not be in simplest (reduced) form.
blackjack
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flooble's webmaster puzzle
re(3): Question?
