Задание
Приведите все дроби к знаменателю \(\displaystyle 9{\small:}\)
| \(\displaystyle \frac{15}{27}=\) | [ ] \(\displaystyle 9\) | , | \(\displaystyle \frac{40}{45}=\) | [ ] \(\displaystyle 9\) | и | \(\displaystyle \frac{49}{63}=\) | [ ] \(\displaystyle 9\) |