Follow along with the video below to see how to install our site as a web app on your home screen.
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Pick any two digit number:
10x + y, x<10 and y<10
Now subtract the first and the last digit from this number:
10x + y - x - y
=9x, where 0<x<10
In other words, "your number" is always a multiple of 9
Note that the "regift" is always on 9, or 18, or 27, or...
"Math is tough"
-Barbie
I started with the number 44. I don't see an option for Zero on the second page...FAIL
I started with the number 44. I don't see an option for Zero on the second page...FAIL