postcard: nghĩa là bưu thiếp ( vì postcard viết không cách nên là một từ nhé)

postcard nhé

1 ....... taking this novel back for me?

2 ....... sending this e-mail to me tomorrow?

3 ...... showing me around the town?

4 ...... turning down the radio?

5 She asked him to give her another glass of wine

You/ please/send/ engineer/ look at/ it / me?

Can you please send me an engineer to look after it?

Do n+3\(⋮\)n+3 (*) => (n+3)²\(⋮\)n+3 hay n²+6n+9\(⋮\)n+3

=> n²+6n+9-(n²-7)\(⋮\)n+3 hay 6n+16\(⋮\)n+3

Từ (*) => 6n+18\(⋮\)n+3

=> 6n+18-(6n+16)\(⋮\)n+3 hay 2\(⋮\)n+3

=> n+3 \(\in\){-2;-1;1;2}

Vậy n \(\in\){1;2;4;5}

Ta có: \(n^2-7⋮n+3\Leftrightarrow n^2-9+2⋮n+3\Leftrightarrow\left(n-3\right)\left(n+3\right)+2⋮n+3\)

\(\Rightarrow\)\(2⋮n+3\)

Vậy n+3 là Ước của 2

Ta có bảng sau: 

Vậy n=....

write rồi nha

ahihi

ai xin k 1 cái cho lên top 20 nha

Can you tell me something about your neighborhood, please?

A

1.      “you look tired, you should go to see the doctor”, Lan said

ð   Lan said that I looked tired , I should go to see the doctor

2.      “Come in, please”, the sale man said

ð   the saleman told me to come in.

3.      My grandfather told me, “Can you send me this letter?”

ð    My grandmother told me to send her that letter.

4.      “Don’t touch in anything here”, the old man said

ð   The old man told me not to  touch in anything there

5.      “Buy me some stamps, Hoa”, Lan said

ð   Lan told hoa to buy her some stamps

6.      “Don’t make too much noise, children”, he said

ð   He told the children not to make too much noise.

7.      “Switch off the radio” , he said to her

ð   He told her to switch off the radio.

8.      “Shut the door, Tom”, she said

ð   She told Tom to shut the door.

9.      “Please pay at the desk”, said the assistant to us

ð   The assistant asked us to pay at the desk.

10.  “Lend him your dictionary for a moment, Lan”, I said

ð    I told Lan to lend him her dictionary for a moment. 

11.  “Open your bag please”, he said

ð   He asked me to open my bag.

12.  “Don’t touch this switch, Tom”, I said

ð   I told Tom not to touch that switch.

13 “Fill up this form and send it by post”, the secretary said to me

 The secretary told me to fill up that form and send it by past.

nấu ăn

Cooking: nấu ăn

cooking có nghĩa là nấu ăn. 

tại sao bạn nói xin lỗi

Có nghĩa là : Tại sao bạn nói xin lỗi ?

YOU ARE WELCOME:KHÔNG CÓ Chi

tk cho mình nha

Không có gì 

mk nha

Là không có gì

k mik nhé