$$\frac{2}{4}-4=16$$
$\text{false}$
$$\frac{1}{2}-4=16$$
$$\frac{1}{2}-\frac{8}{2}=16$$
$$\frac{1-8}{2}=16$$
$$-\frac{7}{2}=16$$
$$-\frac{7}{2}=\frac{32}{2}$$
$$\text{false}$$
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