Ответ:

Пошаговое объяснение:

А)

2. 1/3 - 1. 1/2 = 2. 2/6 - 1. 3/6 =

1. 8/6 - 1. 3/6 = 5/6

Б)

4. 1/5 - 2. 3/10 = 4. 2/10 - 2. 3/10 =

3. 12/10 - 2. 3/10 = 1. 9/10

В)

7. 1/9 - 4. 1/3 = 7. 1/9 - 4. 3/9 =

6. 10/9 - 4. 3/9 = 2. 7/9

Г)

2. 2/7 - 1. 3/5 = 2. 10/35 - 1. 21/35 =

1. 45/35 - 1. 21/35 = 24/35

Д)

6. 1/4 - 3. 2/5 = 6. 5/20 - 3. 8/20 =

5. 25/20 - 3. 8/20 = 2. 17/20

Е)

4. 1/6 - 1. 2/3 = 4. 1/6 - 1. 4/6 =

3. 7/6 - 1. 4/6 = 2. 3/6 = 2. 1/2