$$( \frac { - 9 } { 11 } ) \times \frac { 2 } { 5 } = \frac { 2 } { 5 } \times ( \frac { - 9 } { 11 } )$$
$\text{true}$
$$\frac{-9}{11}=\frac{-9}{11}$$
$$-\frac{9}{11}=\frac{-9}{11}$$
$$-\frac{9}{11}=-\frac{9}{11}$$
$$\text{true}$$
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