Question

2,3,4,5 номера нужны​

Answer 1

Ответ:

15/20=3/4

24/40=6/10

3/10 и 2/3 :

9/30 и 20/30

4/5 и 4/9:

36/45 и 20/45

4 7/9 - 1 2/3 + 1/6 = 4 14/18 - 1 12/18 + 3/18 = 3 5/18