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This month:
Stage 1&2
Stage 2&3
Stage 3&4
Stage 4&5
Diverging
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Stage: 5 Challenge Level:
Stage 5 - Reviewed 2012
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Patterned numbers
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Number theory
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Dynamical systems
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Generalising
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Manipulating algebraic expressions/formulae
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Inequality/inequalities
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alphas
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epsilons
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Mathematical reasoning & proof
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Published October 2002.
Help With Mathematical Display