5 D

6 C

⇒2+x=30

⇒x=28

Số bị chia là: 100 × 7 + 6 = 706

1. Vegetables and fresh fruits are good for your eyes.

2. Don’t go to bed late and play computer games for hours.

3. My brother will climb mountains in other countries in the future.

4. My brother will climb mountains in other countries in the future.

1 best

2 loveliest

3 smaller

4 more

5 friendlier

6 most modern

7 best

8 more comfortable 

9 bigger

10 nearest

11 less

Ta có : 

Áp dụng tcdtsbn , ta có :

=-=

Tham khảo :

7: A

8: C