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100x + 10y + z
2nd Degree Symmetric Sums
3D Geometry
3D Volumes and Surface Areas
3rd Degree Symmetric Sums
AIME-level Inequalities
Absolute Value Tricks
Algebra
Algebraic Manipulation
Angle Bisector Theorem
Angle Chasing
Area by Coordinates
Arithmetic Word Problems
Arithmetic/Geometric Sequences
Base Conversion
Bases
Bijections
Binomial Theorem
Burnsides
Casework
Ceva Menelaus
Chicken McNugget
Chinese Remainder Theorem
Circle Angles
Circle Tangents
Clever Substitutions
Combinations
Complementary Counting
Complex Numbers
Conditional Probability
Constructive Counting
Counting
Counting Divisors
Create New Polynomial
Cross Sections
Digit Deduction
Digit Problems
Distance, Rate, Time
Divisibility Reasoning
Divisor Counting
Expected Value
Exponent Rules
Exponents with Algebra
Factorial
Finding the Last Digit
Finite Differences
Floor
Floor Function Strategies
Floor Functions
Fractions and Percents
Functional Equations
Functions - f(x) Notation
Fundamental Counting Principle
GCD and LCM
GCD/LCM
Geometric Probability
Geometry
Graphing Functions
Handshakes
Incenter
Inclusion-Exclusion
Inequalities (AM-GM)
Introduction to Probability
Inverse Functions
Law of Cosines
Law of Sines
Length Chasing
Linear Equations
Linear Inequalities
Linearity of Expectation
Logarithms
Logic
Mass Points
Mean Median Mode
Modular Arithmetic
Modular Inverses
Number Theory
Overcounting
Palindromes
Parity Reasoning
Paths on a Grid
Permutations
Permutations with Repeated Elements
Pigeonhole
Pigeonhole Principle
Polynomial Remainder
Polynomials
Power of a Point
Probability
Problem-Solving: 3D Geometry
Problem-Solving: Angles
Problem-Solving: Angles on a Clock
Problem-Solving: Areas
Problem-Solving: Centroid
Problem-Solving: Circle Basics
Problem-Solving: Connecting the Centers
Problem-Solving: Coordinate Bashing
Problem-Solving: Divisibility and Digits
Problem-Solving: Double Summation
Problem-Solving: Excenter
Problem-Solving: Inscribed Circles
Problem-Solving: Isosceles Equilateral Triangles
Problem-Solving: Linear Diophantine Equations
Problem-Solving: Polygons
Problem-Solving: Polynomial Root Tricks
Problem-Solving: Puzzles
Problem-Solving: Quadrilaterals
Problem-Solving: Reflection Trick
Problem-Solving: Shaded Regions - Circles
Problem-Solving: Slice and Add the Shaded Region
Problem-Solving: Triangle Angles
Problem-Solving: Triangle Inequality
Problem-Solving: Trigonometric Substitutions in Algebra
Problem-Solving: Using Area Ratios to Solve Geometry Problems
Problem-Solving: Using Cyclic Quadrilaterals
Problem-Solving: Weird Areas
Ptolemy's Theorem
Pythagorean Triples
Pythagorean theorem
Quadratics - Factoring
Quadratics Completing the Square
Rationalizing Radicals
Ratios and Rates
Recurrence Strategies
Recursion
Repeating Decimal
Sequences and Series
Shortest Path - Unfolding the Object
Similar Triangles
Simons Favorite Factoring Trick
Simplifying Radicals
Special triangles
Stars and Bars
States
Stewarts Theorem
Symmetry
System of Equations
Telescoping
Telescoping - Forcing It
Telescoping Sums
Trigonometric Identities
Trigonometric Sums
Trigonometry
Variables
Venn Diagrams
Vieta's Formulas
3rd Degree Symmetric Sums
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AIME II #8 2015
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