1/2 = ? 7 = ? 3 = ? 1 1/8 = ? 4/9 = ? 3 2/5 = ?
źródło: Matematyka wokół nas
\frac{1}{2} --> 2
7 --> \frac{1}{7}
3 --> \frac{1}{3}
1\frac{1}{8}=\frac{9}{8} --> \frac{8}{9}
\frac{4}{9} --> \frac{9}{4}
3\frac{2}{5}=\frac{17}{5} -->\frac{5}{17}