Khai triển các hằng đẳng thức sau.

a) (x+1)³                        b) (2x+3)³                 c) (x+1212)³              d) (x²-2)³

e) (2x-3y)³

^{Giúp mình với}

Khai triển các hằng đẳng thức sau.

a) (x+1)³                        b) (2x+3)³                 c) (x+\(\dfrac{1}{2}\))³              d) (x²-2)³

e) (2x-3y)³

^{Giúp mình nha}                     

Choose the word that has the main stress placed differently from the others.
A. leisure
B. imagine
C. teenager
D. positve

Using computer as your hobby can be _________ to both your health and your social life.
A. addicted             B. effect          C. problem         D. harmful

My brother is addicted ___________ playing beach games.
A. on        B. of        C. to        D. at

1. It is very ____________________ to lie on the beach, and listen to the sound of the waves. 

2. That’s __________________ - I thought I’d left my keys on the table but they’re not there. 

3. The website allows you to take a ________________ tour of the art gallery. 

4. He was not ____________________ with the camera, so he took it back to the store. 

5. Bird-watching is an increasingly popular ____________________ activity. 

6. Hanging out with friends is __________________. I really enjoy it. 

7. Are you __________________ to Facebook, Twitter, Tumblr, or Instagram? 

1. It is very ____________________ to lie on the beach, and listen to the sound of the waves. 

2. That’s ____________________ - I thought I’d left my keys on the table but they’re not there. 

3. The website allows you to take a ____________________ tour of the art gallery. 

4. He was not ____________________ with the camera, so he took it back to the store. 

5. Bird-watching is an increasingly popular ______ ______________ activity. 

6. Hanging out with friends is ____________________. I really enjoy it. 

7. Are you ____________________ to Facebook, Twitter, Tumblr, or Instagram?