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About the Mental Calculation, Mathematics, and Puzzles category
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1
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7207
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October 28, 2025
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Stuck in rubiks cube. Only last two corner pieces are interchanged
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6
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27662
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July 27, 2026
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What kind of calendar calculation can you do in your head?
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20
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2608
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July 18, 2026
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Most essential mental calculation techniques?
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16
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2278
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July 16, 2026
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Best Way To Learn The Multiplication Table Using (PAO, Memory Palaces)
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10
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3107
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July 10, 2026
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Puzzle for Indian Banking Sector Exams
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27
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2912
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July 8, 2026
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Circular Seating Arrangement Puzzle
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11
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4601
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July 8, 2026
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how to improve in anzan
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0
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53
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July 6, 2026
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Mental Abacus visualization
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3
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377
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May 26, 2026
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Skip Counting
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0
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126
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May 25, 2026
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"How To Become A Grandmaster In Chess"
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45
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7594
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May 18, 2026
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Michelle/Ms Munchie technique
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3
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243
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May 16, 2026
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Aaryan Shukla created two new World Records
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0
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142
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April 25, 2026
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Problem with visual perception of numbers
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7
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270
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March 23, 2026
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Which systems work best on a 2 x 2 multiplication?
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12
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1506
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February 14, 2026
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Choosing the Right Abacus and Mental Math System for a Beginner
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0
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197
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February 10, 2026
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Express any number as difference of two squares
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0
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115
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January 30, 2026
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Best method of holding numbers in the mind for calculations
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5
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409
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January 29, 2026
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From A to KOKO; abacus phonetics system
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2
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313
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January 14, 2026
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Problems with solutions free online resources
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1
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108
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January 12, 2026
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Help in understanding Bouman's method for factoring
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17
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469
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November 18, 2025
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Binary finger counting help!
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4
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200
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November 2, 2025
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Mental calculation and savant-like memory
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0
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252
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October 29, 2025
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Mentally calculating 889014113748268 mod 222?
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37
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4585
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October 26, 2025
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Solving sudoku
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1
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1404
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October 19, 2025
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Conway’s 150 Method for Mental Factorization
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5
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422
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October 13, 2025
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Question about mnemonics for those who do mental math (bonus points if Trachtenberg method)
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0
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147
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October 2, 2025
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Looking to improve my sudoku skills, what tips do you have?
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1
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1118
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September 7, 2025
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How can my son remember large intermediate numbers in mental fraction simplification?
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1
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196
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August 12, 2025
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Do 50% of Maths answers follow ascending order pattern
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5
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252
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July 5, 2025
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