Cho tứ giác ABCD có AD=BC. Gọi M, N, I là trung điểm của AB;CD;BD. Tia MN cắt tia AD ở E và cắt tia BC ở F.

CMR: a. Tam giác IMN cân

b. Góc AEM = Góc BFM

c. Nếu cho góc AEM= góc BFM, so sánh AD và BC

Giúp mik nha, mai mik cần gấp lắm

Tính nhẩm:

6,4 × 100

A. 64

B. 640

C. 6400

D. 64000

tên bạn giống mk ghe 

14 nha

tham khao cau hoi tuong tu nha bn

Read the article and then decide whether the statements are true (T) or false (F).

Information about what happens in the world comes to us in many ways. Television and radio are two important ways of the news. They get the news out faster than the newspapers and magazines, and they don't have to be read. Television and radio stations broadcast the news several times each day. In America, there are the news programmes every hour. People can choose the favourite TV programmes, such as sports, films, fashion, news, etc. People who cannot read get the news from television or radio easily.

Television can bring the news to people who cannot read.

A. True

B. False