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BrainMath » D. Logic

  • D.1. Logic II

    1. D.1.M. Play Multiplayer 0 wins, 0 losses

    2. D.1.Q. Unit Challenge

    3. D.1.1. Extreme Principle I

      1. D.1.1.1. Largest product – two numbers
      2. D.1.1.2. Largest (or smallest) Sum
      3. D.1.1.3. Largest product – several numbers
      4. D.1.1.4. Digital sum
      5. D.1.1.5. Matching Keys
      6. D.1.1.6. Mixed Practice

    4. D.1.2. Optimization

      1. D.1.2.O. Overview
      2. D.1.2.1. Frying pancakes
      3. D.1.2.2. Efficiency
      4. D.1.2.3. Complex Transportation

    5. D.1.3. Multiple Pile Problems

      1. D.1.3.O. Overview
      2. D.1.3.1. One pile at a time.
      3. D.1.3.2. Multiple Pile Problems II
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  • D.2. Logic III

    1. D.2.M. Play Multiplayer 0 wins, 0 losses

    2. D.2.Q. Unit Challenge

    3. D.2.1. Pure Logic 2 (Very difficult)

      1. D.2.1.O. Overview
      2. D.2.1.1. Digit Comparison
      3. D.2.1.2. Making Values
      4. D.2.1.3. Releasing Captives and Swapping Numbers
      5. D.2.1.4. Number Theory
      6. D.2.1.5. Miscellaneous
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  • D.3. Logic IV

    1. D.3.M. Play Multiplayer 0 wins, 0 losses

    2. D.3.Q. Unit Challenge

    3. D.3.1. Clocks and watches

      1. D.3.1.O. Overview
      2. D.3.1.1. Given the time
      3. D.3.1.2. Changing Angles
      4. D.3.1.3. Slow, Fast, and Broken Clocks and Watches

    4. D.3.2. Extreme Principle II

      1. D.3.2.1. Sending Messages
      2. D.3.2.2. Busses
      3. D.3.2.3. Larger Product without Calculation
      4. D.3.2.4. Creating Numbers
      5. D.3.2.5. Boxes
      6. D.3.2.6. Mixed Practice

    5. D.3.3. Reduction Games

      1. D.3.3.1. Reduction Games
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  • D.4. Logic I

    1. D.4.M. Play Multiplayer 0 wins, 0 losses

    2. D.4.Q. Unit Challenge

    3. D.4.1. Pure Logic 1

      1. D.4.1.1. Orderings
      2. D.4.1.2. Faces of Cubes
      3. D.4.1.3. Pulling Items
      4. D.4.1.4. Crossing Rivers
      5. D.4.1.5. Crossing Rivers With Animals
      6. D.4.1.6. Family Time
      7. D.4.1.7. Growing Bamboo
      8. D.4.1.8. Liars and Truth-Tellers
      9. D.4.1.9. Pairings
      10. D.4.1.10. Matchings
      11. D.4.1.11. Cats Eating Fish
      12. D.4.1.12. Potpourri
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  • D.5. Logic II

    1. D.5.M. Play Multiplayer 0 wins, 0 losses

    2. D.5.Q. Unit Challenge

    3. D.5.1. Simple Working Backwards

      1. D.5.1.1. Basic Arithmetic
      2. D.5.1.2. Correcting Bad Math
      3. D.5.1.3. Single Pile Problems
      4. D.5.1.4. Adding Halves
      5. D.5.1.5. Thinking of a Number
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