a) \(\dfrac{2+\sqrt{2}}{1+\sqrt{2}}\)

IX. Complete each sentence with an appropriate preposition.

1. This handcrafted cushion reminds me___________ the wonderful time I spent in Bangkok Chinatown.

2. Another method, used especially for figures, was to pour the day___________ a mould.

3. Amrisar í famous___________ its carpet-weaving industry.

4. After playing some team-building game, we gathered and had afternoon tea___________ the lawn.

5. Maldives is among the countries relying heavily___________ tourism.

6. We took some clay and made it___________ a vase shape.

7. Saigon Notre Dame Cathedral is considered as a place___________ interst in Ho Chi Minh City.

8. The scarf, which he wrapped around his neck, was made___________ wool thread by his girl friend.

I.Choose the word whose underlined part is pronouced differently from the others.

1. a. pottery      b. product     c. workshop     d. cpnica

2. a. surface     b. layer          c.frame            d. birthplace

3. a. weather    b. thread        c. together        d. rather

4. a. historical   b. system       c. landspape    d. business

5. a. carved       b. impressed  c. embroidered   d. weaved

         EXERCISES ON WORD FORMS

16. An.......................... pilot in the USA reported that he saw nine large round objects.(exeperience)

17. How can he save ourselves from.......................... disasters?

18. .......................... people are very proud of their.......................... Celebrations.(Vietnam/ tradition)

19. Easer is a.......................... festival in many coutries. (joy) 

20. If we use much pesticde on vegetables, they will become..........................and inedible. (poison)

21. ..........................air can cause illness and even death. (pollute)

22. Most people are.......................... in using the lnterest. (internet)

23. Your jeans are.......................... from mine. (differ)

24. This blouse is very lovely and.......................... (fashion)

25. English is a.......................... second language in Malaysia. (comple)

Đưa thừa số ra ngoài dấu căn

\(\dfrac{\sqrt{63y^3}}{\sqrt{7y}}\) với (y>0)

\(\sqrt{4\left(a-3\right)^2}\) với a≥3