Question 66
Let $B$, $A$, $L$, $T$, $I$, $C$ be positive numbers. Find all possible values of the expression
$$
\frac{BA}{(C+B)(A+L)} + \frac{LT}{(A+L)(T+I)} + \frac{IC}{(T+I)(C+B)}.
$$
$$
\frac{BA}{(C+B)(A+L)} + \frac{LT}{(A+L)(T+I)} + \frac{IC}{(T+I)(C+B)}.
$$