- #1
fourier jr
- 765
- 13
Here's an old one: starting with 0 (or 1) list all the natural numbers using nothing but 4 4s. I'll go first.
0 = (4 - 4)/(4*4)
1 = (4*4)/(4*4)
2 = (4*4)/(4*sqrt(4))
... etc
0 = (4 - 4)/(4*4)
1 = (4*4)/(4*4)
2 = (4*4)/(4*sqrt(4))
... etc