Can a piece of A4 paper be folded in exactly three equal parts?(math.stackexchange.com)
math.stackexchange.com
Can a piece of A4 paper be folded in exactly three equal parts?
http://math.stackexchange.com/questions/736346/can-a-piece-of-a4-paper-be-folded-in-exactly-three-equal-parts
0 comments
—