11
comments
This works for all numbers ending in 9:
x*9+x+9=x(9+1)+9
=10x+9
44 0 ReplyIt makes sense, it's basically always 10*x+9.
10 0 ReplyDoesn't make much sense for negative values of X, nor decimal numbers.
1 1 Reply
My man!
Have you, esteemed reader, ever been to Neil's lair, The Hayden Planetarium? They've got freeze-dried ice cream in the gift shop!
14 0 ReplyNice!
4 0 Reply
11 0 ReplyNice!
6 0 ReplyHello! My name is Tesla Musk and you are hired!
6 0 ReplyIt's my man DeGrasse!
3 2 Reply
You've viewed 11 comments.
Scroll to top