dien vao cho trong gioi tu thich hop

1.what was wrong... with.....hoa?

2.nga s mother wrote a sick note.....for.....her yesterday

3.millions.....of......people catch a common cold every year

4.is there a cure........for....flu?

5.my father has a pain.....on.....his chest

6.the students filled......out.....the medical records and gave them......to...the nurse

7.last year my brother worked.......as......an engineer......in....a printing factory

8.did you go to the doctor s?-no, i just stayed.... in........bed

Ta có 

15 = \(\sqrt{225}<\sqrt{235}\)

=> 15 < \(\sqrt{235}\)

1 . He drives more carefully than he used to .

= He doesn't drive....as carefully as he used to..........

2 . I don't have any bigger problem than pronunciation.

= My...pronunciation is my biggest problem.....................

8 chan vit va 10 chan meo là 18 chân

Write the questions with the following answers:

1. My name is Trung.

=>......... What is your name?..............

2. I'm thirteen.

=>........How old are you?....................

3. I live with my parents.

=>.........Who do you live with?....................

4. I walk to work.

=>......... How do you go to work?.....................

5. It's about 200 meters from my house to the drugstore.

=>.......How far is it from your house to the drug store?................

6. I am keen on English.

=>.......What are you keen on?................

Có sai sót gì mong bạn bỏ qua nha. Chúc bạn học tốt

1 What ....time.........is it? It's a quarter past eight

2 He...washes...........his face.....at........5.30 every day

3 Hoa is in......grade.......7.She ....lives.........in Hai Duong City

4 I....have.......dinner at 6.3

\(\dfrac{16}{25}\) bình phương là \(\dfrac{16}{25}\)\(^2\)

dịch sang tiếng anh những câu sau:

1: bạn có khỏe ko?

=>How are you?

2 :bạn tên j?

=>What's your name?

3 : họ tên bạn là j?

=>What's your full name?

4 : vào thời gian rảnh bạn lm j?

=>What do you do in your free time?

Gọi số cần tìm là ab

ta có ab + ba = 10a + b + 10b + a = 11a + 11b = 11(a+b)

Vì số chính phương là bằng bình phương của 1 số nên 11 (a+b)=11 . 11 

                Vậy a+b = 11

Mà ab là số có 2 chữ số nên ta có a+ b = 2 +9 = 7+4 =8+3=5+6

Vậy ta đc các số 74 , 47 , 38 , 83 , 92 ,29, 56,65