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Algebra
  • Power Calculation Assessment
  • Vieta Theorem (Basic)
  • Vieta Theorem
Art of Thinking
  • Pigeonhole Principle (Questions)
  • The Coloring Method
Combinatorics (Counting)
Counting problems appear in math competitions at all levels. It is recommended to try these practice after having completed the course 20 - Combinatorics (Counting) or the book  Counting (Combinatorics) .
  • Addition & Multiplication Principles
  • Inclusion & Exclusion Principle
  • Application in Number Theory
  • Counting Like a Pro
  • Symmetry and Bundling
  • Balls in Boxes
  • Derangement
  • Recursion
  • Pascal Triangle
Geometry
  • Geometry Techniques
  • Triangle Basics
  • The Area Method (Sample)
  • The Rotation Method
Indeterminate Equation
This set of practices is associated with the course 48 - Indeterminate Equation and the book  Indeterminate Equation .
  • Indeterminate Equation Assessment
  • The Factorization Method
  • The Squeeze Method
  • The Quadratic Method
  • The Euclidean Method
  • General Solution to Linear Equation
  • Pythagorean Triplet
  • Infinite Descending
  • Pell's Equation
  • The MOD Method
Number Theory
  • MOD (Sample)
Trigonometry
  • Law of Sines and Law of Cosines


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