1 thùng nước đựng đầy 10l nước và dầu nước chiếm 1/3 dầu tổng khối lượng của cả thùng nước và dầu là

. Our grandparents / visit / me / next month /. -> .......................................................................

Mn Giải Giúp Em Với Ạ . C.ơn Mn nhiều

Các thần đồng đâu rồi giúp em!!!!

cho tam giác abc vuông ở a (ab<ac), đường cao ah và trung tuyến am (h thuộc bc; m thuộc bc). Đường tròn tâm o đường kính ah cắt ab và ac lần lượt tại k và i. Gọi n là giao điểm của đường thẳng ik và bc. chứng minh akhi là hình chữ nhật

a,( 3x^2m-1-3/7.y^3n-5+ x^2m.y^3n-3y^2). 8x^3-2m.y^6-3n b, (2x^2n+3x^2n-1).(x^1-2n-3x^2-2n)

Vẽ avtar của mk nhé :)) Có màu nhé

làm giúp mình với vẽ hình nữa nha

Tính CM của các ion trong dung dịch H2SO4 có pH=3. Cần pha loãng dung dịch này bằng bao nhiêu lần bằng dung dịch NaOH có pH=12 để thu được dung dịch mới có pH=5

This article describes a qualitative research project that examined pen pal letters exchanged between children in Virginia, USA, and Malawi in Sub‐Saharan Africa. The goal was to study the nature of communication between students living in these two very different cultural contexts. The results of this study indicated that there were three primary themes within the pen pal letters between the primary and elementary students: daily life and culture, language, and connections. The students enjoyed sharing information about all aspects of their daily life and culture with their pen pals, and they were able to communicate meaningfully with one another on these topics. The students followed the language patterns established by one another in their letters, and they made attempts to use terminology that would be readily understandable to one another. Each theme found in the study is explored, and the value of using pen pal exchanges to support the development of literacy and cultural understandings is discussed. Recommendations are made for establishing pen pal exchanges in international contexts. True or False 1. Students living in very different cultural contexts will have no communication to one another. 2. According to the study, pen pals may achieve more than four primary themes. 3. The themes are not beneficial for pen pals. 4. International pen pal exchange is recommendable issue. Choose the best option: 1.The word has the nearest meaning as “ research” is ______ A. negotiate B. analysis C. bargain D. persuade 2.What is the main idea of the passage? A.Internet applications are very popular among teens in the world. B.The target of this study is to support the social networking. C.Children in The US and Africa cannot contact by means of letters. D. An article of the pen pal letter exchange.