- Joined
- Nov 11, 2003
- Messages
- 9,900
- Reaction score
- 118
- Location
- Ahwatukee, AZ
- Can others edit my Photos
- Photos NOT OK to edit
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
It's very simple.
Whatever two digit number you choose, if you add the digits and subtract the result from the original you will always get a multiple of 9.
Then look at what symbol all the multiples of 9 have.
11 = 1+1 - 11 = 9
12 = 1+2 - 12 = 9
13 = 1+3 - 13 = 9
22 = 2+2 - 22 = 18 = 2x9
57 = 5+7 - 57 = 45 = 5x9
and so on