Bedges/Sandbox – User
Jump to navigation
Jump to search
mNo edit summary |
mNo edit summary |
||
| Line 1: | Line 1: | ||
Private Experiment #1 | Private Experiment #1 | ||
Method: | Method: | ||
| Line 8: | Line 9: | ||
*add the resulting 4 digits together | *add the resulting 4 digits together | ||
*the result will be 9 | *the result will be 9 | ||
Proof: | Proof: | ||
Revision as of 10:23, 25 April 2006
Private Experiment #1
Method:
- take any 4-digit phone number
- rearrange those 4 numbers
- subtract the smaller number from the larger number
- add the resulting 4 digits together
- the result will be 9
Proof:
8419 - 4918 = 3501 3 + 5 + 0 + 1 = 9
7654 - 5746 = 1908 1 + 9 + 0 + 8 = 18 1 + 8 = 9