\(\frac{2319}{2010}-\frac{1789}{2000}-\frac{309}{2010}+\frac{2009}{2010}-\frac{211}{2000}\)
\(=\left(\frac{2319}{2010}-\frac{309}{2010}+\frac{2009}{2010}\right)-\left(\frac{1789}{2000}-\frac{211}{2000}\right)\)
\(=\frac{4019}{2010}-\frac{789}{1000}\)
=))