mn giúp em với em cần gấp,em cảm ơn ạ

Các bạn giúp mình với ạ. Mình cảm ơn nhiều

$\frac{-10-2.x}{1}$ >0 Giải giúp nha moa moa

Vẽ mần đang ngại, tay ôm trái tim, đỏ mặt, phồng má nhó. Chọn ảnh nèo ọ :>

Cho tam giác ABC vuông tại A ( AC > AB ) , đường cao AH và trung tuyến AM : a ) Chứng minh tam giác ABC đồng dạng với tam giác HBA và AB²= BH BC b ) Qua B vẽ đường thẳng song song với AC cắt AH tại D. Chứng minh HA.HB - HC.HD. c ) Qua B vẽ đường thẳng vuông góc với AM cắt AC tại E. Chứng minh AE .AC = BH.BC d ) Gọi I , K lần lượt là trung điểm của BD và AC ; S là giao điểm của hai đường thẳng AB và CD . Chứng minh 4 điểm S , I , H , K thẳng hàng

Khi xóa đi chữ số 3 bên trái số có 4 chữ số thì số đó bị giảm đi 7 lần. Tìm số đó. Các bn giúp mk vs. Cảm ơn nhìu nha

cho A= 3+3^2+3^3+....+3^2004 chứng minh rằng A chia hết cho 130

Ơ kìa :Đ vẽ anime/ chibi bất ngờ Lại tính năng mới Có tâm nhá

Put “if” or “unless” into these spaces. 1/ ________ we hurry, we’ll miss the bus. 2/ Will you phone me ________ you come to England ? 3/ ________ you see Jane, ask her to contact me. 4/ You’ll never pass your exam ________ you don’t work harder. 5/ Liverpool won’t win ________ they begin playing better. • Use “if” in place of “unless” 1/ We won’t go out unless it stops raining. -________________________________________________ 2/ I will call the police unless you give back my bicycle. -____________________________________________________________ 3/ You wouldn’t be able to do this exercise unless your English were good. -____________________________________________________________ 4/ Unless we had enough rain, we couldn’t grow rice. -____________________________________________________________ 5/ The fishermen couldn’t have caught a lot of fish unless they had had good nets. -____________________________________________________________

IV. Choose the best answer Malaysia is one of the countries of the Association of South East Asian Nations (ASEAN). It …1….. into two regions, known as West Malaysia and East Malaysia. They are separated by about 640 kni of the sea and together comprise an area of 329,758 sq km. Malaysia …2…….. tropical climate. The Malaysian unit of currency is the ringgit, consisting of 100 sen. The …3……. of Malaysia is Kuala Lumpur and it is also the largest city in the country. The population in 2001 was over 22 million. Islam is the country’s official religion. In addition, there are other …4… such as Buddhism and Hinduism. The national language is Bahasa Malaysia (also known simply as Malay). English, Chinese, and Tamil are also ……5…….. spoken. The language of instruction for primary school children is Bahasa Malaysia, Chinese, or Tamil. Bahasa Malaysia is the primary language of instruction in all secondary schools, although some students may continue learning in Chinese or Tamil. And English is a …6………. second language. 1. A. divides B. is divided C was divided D. was dividing 2. A. enjoys B is enjoyed C. was enjoying D. is enjoying 3. A. river B. nation C. countryside D.capital 4. A. rules B. regulations C.religions D. behaviors 5. A. widely B. generally C. usually D. narrowly 6. A. important B. necessary C. compulsory D. optional