f(x)=1+ 2/x=(x+2)/x
所以 f(1)=3/1,f(2)=4/2,f(3)=5/3,.,f(99)=101/99,f(100)=102/100
相乘,得
f(1)×f(2)×f(3)×…×f(99)×f(100)
=(3/1)×(4/2)×(5/3)×…×(101/99)×(102/100)
=(101×102)/2=5151
f(x)=1+ 2/x=(x+2)/x
所以 f(1)=3/1,f(2)=4/2,f(3)=5/3,.,f(99)=101/99,f(100)=102/100
相乘,得
f(1)×f(2)×f(3)×…×f(99)×f(100)
=(3/1)×(4/2)×(5/3)×…×(101/99)×(102/100)
=(101×102)/2=5151