Happy Pi Day!
Suppose we have a floor made of parallel strips of wood, each the same width,and we drop a needle onto the floor. What is the probability that the needlewill lie across a line between two strips?
p = 2l / PIt
PI = 2l / tp
物品
113
持有者
96
成交量
0 Ξ
地板价
N/A Ξ