### Exercise condition:

2
Consider the rationals $\frac{-6}{3}$, $\frac{-13}{4}$ and $\frac{1}{3}$.

The associative property of multiplication $\frac{-6}{3}$, $\frac{-13}{4}$ and $\frac{1}{3}$ is $\frac{i}{i}$.

(Note: Submit the answer without simplifying the fraction.)