ta co:
\(\frac{11.12+22.24+44.48}{33.36+66.72+132.144}\)
\(=\frac{11.12+11.2.12.2+11.4.12.4}{33.36+33.2.36.2+33.4.36.4}\)
\(=\frac{11.12.\left(1+2.2+4.4\right)}{33.36.\left(1+2.2+4.4\right)}\)
\(=\frac{11.12}{36.33}\)
\(=\frac{1}{3.3}\)
\(=\frac{1}{9}\)