Các số có ba chữ số chia hết cho chín rất nhiều nên ta sẽ lập thành dãy số: 108; 126 ; .....; 972 ; 990

Quy tắc tính TBC của một dãy số :  (Số đầu + Số cuối) : 2 

Vậy TBC các số chẵn có 3 chữ số chia hết cho 9 là: ( 990 + 108) : 2 = 549

Đáp số: 549

Bài 3: Rewrite sentences keep meaning as the root one

1. I can't understand him because he speaks so quickly

=> If he didn't......speak so quickly, I would understand him........

2. The suitcase is so heavy that I can't carry it

=> It is such....a heavy suicase that I can't carry it..........

3. How long is it since you last saw Mary?

=> When.....did you last see Mary?......

4. She asked''How many Japanese students are there in your class, Tom?
=> She asked Tom... how many Japanese students there were in his class........

Bài 2: Rewrite sentences keep meaning as the root one

1. Where did they go on holiday?

=> Do you know....where they went on holiday? .....

2. Where is the dentist's office?

=> Could you tell me....how to go to the dentist's office?...............

3. How many people are there in our school?

=> We want to know....how many people were in our school......

4. This shirt is too dirty for me wear

=> This shirt....is so dirty that we couldn't wear it........

5. I don't find it difficult to get up early in the morning

=> I am used to....get up early in the morning........

vit nao cha di bang hai chan

1.It is such a marvelous opportunity that we musn't miss it.

->It is too..marvelous for us to miss.....

2.Though I am poor,I'll not serve a villain.

->Poor....as I am, I'll not serve a villain.....

3.Neither beer nor wine is good for healthy.

->Beer as...well as wine is not good for healthy....

4.I used to work as a waiter.

->No longer..did I work as a waiter....

5.He dorve fast so that no one would recognize him.

->He avoided..being recognized by driving fast.....

You may know that Asian,Middle Eastern and Mediterranean cultures have(1.TRADITION).traditionally.....used garlic in their dishes.What you may not know is that garlic is also thought of as a(2.VALUE)...valuable......medicine by many ancient civilizations.Today,(3.PROFESSION)...professionally......in the field of nurtrition have come up with new information which is indeed quiet(4.SURPRISE)...surprising......Apparently,not only is garlic good for you but it also helps overcome various(5.ILL)..illness.......The man(6.ADVANTAGE)...advances......to eating parsley,which is a natural deodorizer,also helps(8.MINIUM)..to minimize....the smell.Thus,it's time we took the benefits of garlic (9.SERIOUS)...seriously .....Why not add to some of your (10.FAVOUR)...favourite...dishes.

it is said that someone broke into his house last night

=> People say that someone broke into his house last night.

1.I'd rather you(not wear)...didn't wear...jeans the office.

2.The money(steal)..stolen.....in the robbery was never found.

3.This building(finish)..will be finished......by the end of 2018.

4.It was our fault to keep you waiting so long.We (inform)...will inform.....you advance.

5.You looj tired. Have You(work)..worked...hard?

6.A:''Was Carol at the party last night?''

B:''Yes,she(wear)..was wearing....a really nice dress''

7.I remember(give)....to give...a toy drum on the fifth birthday.

8.It was urgent that she(leave)..left.....at once.

9.Minh(steal)...stolen.....your money yesterday because we went our of together all yesterday.

10.Jim hurt his arm while(play)..playing....tennis.

find mistakes

1. My aunt and uncle is=> are flying to Paris tonight

2. What are=> is your favorite food?\

3. Are=> Is there any meat to eat?

4. My mother need=> needs half a kilo of beef

5. What are=> did you study this semester?

6. They are an=> bỏ expensive pens

7. The cheetah is the fast=> fastest animal on land

8. How often you=> do you go to the movie?

9. The students and their teacher is => are going to visit the art museum

10. Why don't => doesn't Hana like her new roommate?

11. Mike is more short=> shorter than I am

12. We hardly never=> bỏ listen to the radio

13. How much => many apples does your mother want?

14. Can you going=> go to the store for me?

15. What is=> Who are in the living room? Tom and Mary

16. Is Susan a=> the best studens=> student in the class?

17. Mount Everest is the highest=> a higher mountain than all

18. This house has the beautifullest=> most beautiful garden on our street

19. My younger sister likes to play=> playing swimming and Jogging

20. My younger sister has full líp and small white tooths=> teeth

21. What's the weather like in HCM city for=> in the summer

22. In=> On the weekend, he often goes swimming

23. They always taking=> take food and water and a tent

Tổng số tuổi của hai bà cháu sau 2 năm là: 66 + ( 2 x 2 ) = 70 ( tuổi )

Tuổi bà gấp 4 lần tuổi cháu nên bà là 4 phần, cháu là 1 phần

Tổng số phần bằng nhau là: 4 + 1 = 5( phần )

Tuổi cháu hiện nay là: 70 : 5 x 1 - 2 = 12( tuổi )

Tuổi bà hiện nay là: 66 - 12 = 54( tuổi )

                                            Đáp số: Tuổi bà: 54 tuổi

                                                         Tuổi cháu: 12 tuổi

CHO MÌNH XIN L-I-K-E ỦNG HỘ NHA Ánh Thu