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− | =Artofproblemsolving=
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− | I joined artofproblemsolving in May, and enjoy posting solutions and moderating the Alcumus forum.
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− | ==Friend list==
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− | <nowiki>
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− | -$45!
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− | 3333
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− | anant1993
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− | ahaanomegas
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− | aodim
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− | bannu36
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− | basketballstar24
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− | blabla4198
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− | bluecarneal
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− | BOGTRO
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− | brycezj
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− | chaotic_iak
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− | Chuthecommie
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− | destruxor
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− | Dojo
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− | dude01
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− | eagle2
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− | El_Ectric
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− | ffomatohagast
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− | firebubble
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− | Fraqtive42
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− | frogbandit
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− | gapoc459
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− | GeoKid2000
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− | Gnip-Gnop
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− | Goutham
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− | halowarfare17
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− | Hydroxide
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− | iglenini
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− | iiiiiiq
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− | k00lperson
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− | KevinChen_Wang
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− | kimt9
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− | Letti
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− | levans
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− | LiBoy
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− | louiethechewy123
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− | Lstar
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− | MaggieKim
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− | Marble-101
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− | mariekitty
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− | Maybach
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− | meewhee009
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− | Petaminx
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− | PhireKaLk6781
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− | PythonNut
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− | QuantumTiger
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− | qwertytothefifth
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− | rrusczyk
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− | saagarjha
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− | Scamper
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− | Spring
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− | ssslee
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− | theoneforce
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− | UKFan
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− | wavelet
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− | </nowiki>
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− | ==AoPS classes==
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− | ===Algebra 1===
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− | Over the summer of 2010, I took Algebra 1. I very much enjoyed this class. It included the quadratic formula (<math>\frac{-b\pm\sqrt{b^2-4ac}}{2a}</math>), solving equations like:
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− | <math>2x+y=50</math>
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− | <math>x-y=25</math>
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− | Which would give us <math>x=\frac{75}{3}=23</math> and <math>y=-2</math>. It also taught me graphing and slopes (<math>\frac{y_2-y_1}{x_2-x_1})</math>
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− | ===Introductory to Number Theory===
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− | Over the fall of 2010 I took Introductory to Number Theory and Introductory to Counting and Probability. In number theory, I learned base numbers, <math>\pmod{}</math>, and a lot of interesting number theory formulas (Ex: <math>gcd(x,y)=p_1^{min_{e_1,e_2}}*p_2^{min_{e_3,e_4}}*p_n^{min_{e_{2n-1}, e_{2n}}</math>.
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− | ===Introductory to Counting and Probability===
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− | Over the fall of 2010 I took Introductory to Number Theory and Introductory to Counting and Probability. I learned Permutations, <math>\binom{N}{R}</math>, Pascals triangle, Pascals Identity, and my username (<math>(x+y)^n=\binom{n}{0}x^n+\binom{n}{1}x^{n-1}y+\binom{n}{2}x^{n-2}y^2\cdots \binom{n}{n-2}x^2y^{n-2}+\binom{n}{n-1}xy^{n-1}+\binom{n}{n}y^n)</math>
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