(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!
答
(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