A2+2ab+b2: a2-b2 где делится это внис черточка

(a+b)^2/(a-b)(a+b)=(a+b)/(a-b)

Всё сделано лично мной Копирование запрещено©

Задание 1 :
1. b
2. a
3. a
4. c
5. a
6. a
7. a
8. b
9. b
10. c

задание 2 :
1. Did they eat much cheese yesterday?
Yes, they did.

2. Do they usually eat much cheese?
Yes, they do.

3. Is there any cheese there?
Yes, there is.

4. Are they eating cheese?
Yes, they are.

5. Have they got much cheese?
Yes, they have.

задание 3 :
1. Who is watching TV?
Bill is. / Bill is watching TV.

2. Who watches TV?
Bill does. / Bill watches TV. 

3. Who watched TV?
Bill did. / Bill watched TV.

4. Who knows the address?
Bill does. / Bill knows the address.

5. Who knew the address?
Bill did. / Bill knew the address.

Задание 1 :
1. b
2. a
3. a
4. c
5. a
6. a
7. a
8. b
9. b
10. c

задание 2 :
1. Did they eat much cheese yesterday?
Yes, they did.

2. Do they usually eat much cheese?
Yes, they do.

3. Is there any cheese there?
Yes, there is.

4. Are they eating cheese?
Yes, they are.

5. Have they got much cheese?
Yes, they have.

задание 3 :
1. Who is watching TV?
Bill is. / Bill is watching TV.

2. Who watches TV?
Bill does. / Bill watches TV. 

3. Who watched TV?
Bill did. / Bill watched TV.

4. Who knows the address?
Bill does. / Bill knows the address.

5. Who knew the address?
Bill did. / Bill knew the address.