Question

срочно даю 100 баллов ​

Answer 1

Ответ:

А = 2/3 * 3/4 * 4/5 и В = 9/7 * 7/5 * 5/3

1) 2/3 * 3/4 * 4/5 = 2/3 * 3/5 = 2/5

2) 9/7 * 7/5 * 5/3 = 9/7 * 2 целых 1/3 = 3

3) 2/5 + 2/5 = 4/5

4) 3 + 3 = 6

5) 4/5 * 6 = 4 целых 4/5