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Numbers

• Completing Calculations
  • Introduction and Example 1, 2
    • Solution
  • Example 3
    • Solution
  • Example 4
    • Solution
  • Example 5
    • Solution
  • Example 6
    • Solution
  • Practice
  • 9 of 'Lonely' (Attached with solution)
  • 1, 2, 3 of 'Lonely'
  • 4, 5, 6 of 'Lonely'
  • 7, 8, 9 of 'Lonely'
    • Solution of 'Lonely'

     

• Magic Squares / Polygons
  • Introduction and Example 1
    • Solution
  • Example 2
    • Solution
  • Example 3
    • Solution
  • Practice 1
    • Solution
  • Practice 2
    • Solution
  • Practice 3
    • Solution
  • Practice 4
    • Solution
  • Practice 5
    • Solution
  • Practice 6
    • Solution

     

• Divisibility

   

• Other Topics
  1. The Beauty of Numbers
     • Page 1
     • Page 2
     • Page 3
     • Page 4
     • Page 5
  2. Decimal
     • Recurring Decimals and Geometric Sequences
     • Convert a recurring decimal into a fraction (Method 1)
     • Convert a recurring decimal into a fraction (Method 2)

Olympiad

• International Mathematics Olympiad (IMO) (1959-2000)
• Asian Pacific Mathematics Olympiad (APMO) (1989-2000)
• Other Competitions
  • Hong Kong Mathematics Olympiad (HKMO) (1989-2000)
  • China (Hong Kong) Mathematics Olympiad (CHKMO) (1998-1999)

• Problems Archieve
  • Algebra
    • Level 1
    • Level 2
    • Level 3
    • Level 4
  • Combinatorics
    • Level 1
    • Level 2
    • Level 3
  • Geometry
    • Level 3
    • Level 4
  • Number Theory
    • Level 2
    • Level 3
    • Level 4

   

Games

• Match Picking
• Dice Gambling
• Magic with Cards
  • Page 1
  • Page 2
  • Page 3
  • Page 4

• Parity
• Combinatorics
  • Page 1
  • Page 2
  • Page 3
  • Page 4
• Geometric Theorems
  • Page 1
  • Page 2
  • Page 3
• Invariance
  • Page 1
  • Page 2
  • Page 3
  • Page 4
• Number Theory
  • Page 1
  • Page 2
  • Page 3
  • Page 4
• Congruences
  • Page 1
  • Page 2
  • Page 3
• Probability
  • Page 1
  • Page 2
  • Page 3

   

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