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Find f(2009)
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1
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39
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October 6, 2025
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JBMO P1 And a nice am-gm question at the same time
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1
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28
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October 3, 2025
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A nice number theory/ algebra question!
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2
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22
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October 3, 2025
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Inequality
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0
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16
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September 28, 2025
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Trig given tan ratio find tan of doubles ratio
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0
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10
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September 25, 2025
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Optimization
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0
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13
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September 23, 2025
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Avg and sum of roots
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1
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20
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September 22, 2025
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System of equations?
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1
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31
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September 17, 2025
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Straightforward calculation
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1
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37
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September 15, 2025
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Easy Algebra
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0
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21
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September 13, 2025
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A Neat Cubic Roots Puzzle
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1
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26
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September 9, 2025
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