(2/7+5/21):1 4/7 есепті шығару

Question

(2/7+5/21):1 4/7 есепті шығару

Answer 1

Вроде так)
...............

---

Answer 2

(2/7+5/21):1 4/7=1/3 1)2/7+5/21=11/21 2)1 4/7:11/21=1/3

Comments

да спасибо