Set K consists of all fractions of the form x(x+2) where x is a positive even integer less than 20. What is the product of all the fractions in Set K ?
A.120
B.110
C.19
D.12
E.89
我的答案：
Set K consists of all fractions of the form fff\(\frac{x}{(x+2)}\)/fff where x is a positive even integer less than 20. What is the product of all the fractions in Set K ?
