\(\frac{2006.125+1000}{126.2005-888}=\frac{250750+1000}{252630-888}=\frac{125875}{125871}\)
\(\frac{2006\cdot125+1000}{126\cdot2005-888}=\frac{(2005+1)\cdot125+1000}{(125+1)\cdot2005-888}\)
\(=\frac{2005\cdot125+125\cdot1000}{125\cdot2005+2005-888}\)
\(=\frac{2005\cdot125+1125}{125\cdot2005+1117}=\frac{1125}{1117}\)
Vậy : \(\frac{2006\cdot125+1000}{126\cdot2005-888}=\frac{1125}{1117}\)