已知函数\(f\left ( {x} \right )=3\sin {πx+2\left ( {x\in \left [ {-10，8} \right ]} \right )}\)，\(g\left ( {x} \right )=\frac {2x-3} {x+1}\)，若\(f\left ( {x} \right )\)与\(g\left ( {x} \right )\)的图象的交点坐标依次为\(\left ( {{x}_{1}，{y}_{1}} \right )\)，\(\left ( {{x}_{2}，{y}_{2}} \right )\)，…，\(\left ( {{x}_{16}，{y}_{16}} \right )\)，则\(\sum \limits^{16}_{i=1} \left ( {{x}_{i}+{y}_{i}} \right )=\)（ ）
