Question

Помогите умаляю пжпжпжп​

Answer 1

Пошаговое объяснение:

№1

-2/9 + (2/9 - 3/4) = -2/9 + 2/9 - 3/4 = -3/4

№2

4/7 - (5/11 - 3/7) = 4/7 - 5/11 + 3/7 = 7/7 - 5/11 = 1 - 5/11 = 11/11 - 5/6 = 6/11

№3

3. 5/6 + (-5/6 - 1/7) = 3. 5/6 - 5/6 - 1/7 = 3 - 1/7 = 2. 7/7 - 1/7 = 2. 6/7

№4

3/8 - (1/9 - 5/8) = 3/8 - 1/9 + 5/8 = 8/8 - 1/9 = 1 - 1/9 = 9/9 - 1/9 = 8/9

№5

2. 3/4 - (1. 1/4 + 5. 1/2) = 2. 3/4 - 1. 1/4 - 5. 1/2 = 1. 2/4 - 5. 1/2 = 1. 1/2 - 5. 1/2 = -4

№6

6. 5/8 - (1. 3/4 - 2. 3/8) = 6. 5/8 - 1. 3/4 + 2. 3/8 = 8. 8/8 - 1. 3/4 = 9 - 1. 3/4 = 8. 4/4 - 1. 3/4 = 7. 1/4