\[\frac{12}{x^{2} - 4} + \frac{3}{x + 2} =\]
\[= \frac{12 + 3 \cdot (x - 2)}{(x - 2)(x + 2)} =\]
\[= \frac{12 + 3x - 6}{(x - 2)(x + 2)} =\]
\[= \frac{3x + 6}{(x - 2)(x + 2)} =\]
\[= \frac{3}{2002 - 2} = \frac{3}{2000} = 0,0015\]