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Math magic

  1. Magic 1
  2. For audience : 1.Please choise one of the numbers on the box A, B, C , D and E 2.Then we will addition it very quickly
  3. trik 1. Additon last digits at box A, B, C, D, and E 2. then reduces by 50 Example Audience chooses number 69 ( A's column), 147 ( Column b), 186( Column c), 377( Column d) and 459( Column e). By use of trik upon you adequately add terkahir's number of to five that number, namely 9 + 7 + 6 + 7 + 9 = 38. Then, reduce 50 by 38 = 12, Sandingkan is number second that, result 1238. So, 69 + 147 + 186 + 377 + 459 = 1238.
  4. Magic 2
  5. I need your participation
  6. Follow My Instructions 1. Think a number that you want 2.Multiply your number with 3 3. Then addition it by 1. 4.Last, Multiply it with 3.
  7. YOUR NUMBER your number must be the results you get, then eliminated the number 3 on last digit.
  8. The Secret Translation of math like this, for example, numbers to be searched = A, then: Formula = ((A x 3) + 1) x 3) + A Formula = ((A x 3 x 3) + 3) + A Formula = (A x 9) + 3 + A Formula = A x (9 + 3 / A + 1) Formula = A x (10 + 3 / A) Formula = A x 10 + 3
  9. So in fact the secret number is multiplied by 10 and added only 3, so if number 3 is eliminated will stay number (which is actually just multiplied by 10).
  10. Magic 3
  11. Multiply your number with two Add the result with five Multiply the result with five Add four to the result
  12. I will guess the number you’ve chosen! .......
  13. The secret  The formula: Y (the number that have chosen by participant) x 2 + 5 x 5 + 4  The last digit of the result is always 9  The original number is all digits in front of nine minus 2
  14. For example  A participant choose 1676766  1676766 x 2 = 3353532  3353532 + 5 = 3353537  3353537 x 5 = 16767685  16767685 + 4 = 16767689  The secret : 1676768 – 2 = 1676766
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