129. Муқоиса кунед: а) 1/2, 1/4 ва 1/8; б) 1/16, 1/32 ва 1/64; в) 1/3, 1/9 ва 1/27; г) 2/5, 3/25 ва 4/125.

Касрҳоро аз хурд ба калон тартиб медиҳем.

1. а) \(\frac{1}{8}<\frac{1}{4}<\frac{1}{2}\).
2. б) \(\frac{1}{64}<\frac{1}{32}<\frac{1}{16}\).
3. в) \(\frac{1}{27}<\frac{1}{9}<\frac{1}{3}\).
4. г) Ба махраҷи 125 меорем: \(\frac{3}{25}=\frac{15}{125}\), \(\frac{2}{5}=\frac{50}{125}\). Пас \(\frac{4}{125}<\frac{3}{25}<\frac{2}{5}\).

Ҷавоб: а) \(\frac{1}{8}<\frac{1}{4}<\frac{1}{2}\); б) \(\frac{1}{64}<\frac{1}{32}<\frac{1}{16}\); в) \(\frac{1}{27}<\frac{1}{9}<\frac{1}{3}\); г) \(\frac{4}{125}<\frac{3}{25}<\frac{2}{5}\).