(1-1/2)乘以(1-1/3)乘以(1-1/4)乘以.(1-1/99)乘以(1-1/100)急!

问题描述:

(1-1/2)乘以(1-1/3)乘以(1-1/4)乘以.(1-1/99)乘以(1-1/100)急!

(1-1/2)×(1-1/3)×(1-1/4)×.(1-1/99)×(1-1/100)
  =(1/2)×(2/3)×(3/4)×.(98/99)×(99/100)
  =1/100