Cho hình thang ABCD có đáy AB=9cm,CD=16cm,AC và BD cắt nhau tại M.Biết diện tích ADC là 50cm2

a)Tính diện tích hình thang ABCD

b)So sánh diện tích AMD và diện tích tam giác BMC.Chứng tỏ hai tỉ số bằng nhau là \(\dfrac{AM}{MC}và\dfrac{MB}{MD}\)

Tìm số abc biết:9xa+9xb+9xc=819

After the funeral,the residents of the apartment building sent flowers faithfully to the cemetery

Bài 1:Các từ in đậm trong đoạn thơ sau mang nghĩa gốc hay mang nghĩa chuyển .Tìm thêm bốn từ mang nghĩa chuyển hoặc nghĩa gốc với mỗi từ đó:

Em yêu tiếng chim

Đầu hồi lảnh lót

Mái vàng thơm phức

Rạ đầy sân phơi

Bài 2:Chia các từ sau thành các nhóm ,1 nhóm từ mang nghĩa gốc,1 nhóm từ mang nghĩa chuyển,mỗi nhóm chọn 1 từ đặt 1 câu.

đứng tuổi,đứng đầu,đứng nghiêm,đứng chờ,đứng lên,đứng gió,đứng tên

Bài 3:Đặt 4 câu có cặp từ nhiều nghĩa sau đây

a)bán b)chăm c)nuôi d)nhìn

Ai văn hay viết cho mình bài văn với ạ tả lại 1 món đồ chơi mà để lại nhiều ấn tượng sâu sắc đối với em

1.Rewrite the sentences

1.The last time we saw her was on Christmas day.

We haven't ........................................................................................................

2.I haven't eaten this kind of food before.

This is ................................................................................................................

3.It started raining an hour ago.

It has ...........................................................................................................................

4.We haven't visited my grandfather for two months.

The last time ...................................................................................................................

5.I have studied English for three years.

I began .............................................................................................................................

6.My brother hasn't seen his best friend for nearly five years.

It's........................................................................................................................................

7.When did you start learning English?

How long......................................................................................................................................

8.We started living here fifteen years ago.

We have ......................................................................................................................................

9.The last time she visited me was five years ago.

She hasn't ........................................................................................................................................

10.I last wrote to my uncle in July.

I haven't ..............................................................................................................................................

11.It's a long time since we became close friends.

We have ...........................................................................................................................

12.Minh began to collect stamps in 2000.

Minh has .............................................................................................................................................

II.Fill the blank with ''for'' or ''since''

1.It's has been raining .... lunchtime.

2.My boss will go away ..... the next 10 days.

3.I'm staying in England ... for a year.

4.She has lived in London ... 1985.

5.Please hurry up!We have been waiting .... for an hour.

6.I have known her ... January.

7.Nam's father has worked in this company ... 20 years.

8.Have you learned English .... a long time?

9.I haven't seen Tom ..... we left for school.

10.The house is very dirtyWe haven't cleaned it ... years.

11.My sister has been a student ... 2 years.

12.We 've lived here ... 1990.

13.I haven't seen Linh ... my birthday party.

14.She has been away ... a year.

15.We 've already waited ... 5 days.

16.Thay haven't had any rain ... very long time.

17.That building has been there ... the 19th century.

18.I have known them ... many years.

19.Thay have only been there ... a few minutes.

20.My brother works for a company calles FPT.He has worked them .... he graduted from university.

d.appliances