Cho tam giác ABC cân tại A .Biết đường trung tuyến BM vuông góc với đường phân giác CD. Tính các góc của tam giác ABC Mình cần gấp

I. Write the second sentence so that it has a similar meaning to the first one. Use the word in brackets. 1. This is the first time they've been to Korea (before) -> They've.................... làm giúp em ạk

So sánh rồi chỉ ra những đặc điểm chung về cấu tạo của ruột khoang sống bám và ruột khoang bơi lội tự do

tìm 1 số tự nhiên biết khi bỏ 3 chữ số tận cùng của số đó ta được số mới mà lập phương số này bằng số ban đầu

Ex1 Điền thêm từ dựa vào từ gợi ý 1 the teacher postponed the class trip until the summer term(off) the class trip........................the teacher until the summer term 2 ''what is the width of this cupboard''? Rebecca asked her sister (wide) Rebecca asked her sister ....................was 3 George spent ages tiding up his room(took) It...................up his room 4 A famous architect designed Dr Shchiter's house for her (had) Dr Schneider.........................a famous architect 5''Peter, you've eaten all the ice cream!''said his mother (accused) Peter's m other................................all the ice cream

đời sống của người nguyên thủy trên đất nước ta như thế nào

1) Tính a) 27^3 : 3^7 b) 5 - (`(-5)/(11)`^0) + (`(1)/(3)`^2) : 3

GIÚP MÌNH VỚI MN ƠI NHANH NHA DƯỚI 15 PHÚT NHA

Ex1 Điền thêm từ dựa vào từ gợi ý 1 the teacher postponed the class trip until the summer term(off) the class trip........................the teacher until the summer term 2 ''what is the width of this cupboard''? Rebecca asked her sister (wide) Rebecca asked her sister ....................was 3 George spent ages tiding up his room(took) It...................up his room 4 A famous architect designed Dr Shchiter's house for her (had) Dr Schneider.........................a famous architect 5''Peter, you've eaten all the ice cream!''said his mother (accused) Peter's m other................................all the ice cream 6 Jim fell off his bike because he wasn't watching carefully the way (paid) If Jim..............................to the way , he wouldn't have fallen off his pike 7 We might not find it easy to book a seat at the last minutes (could) It.....................us to book a seat at the last minutes 8 It was wrong of you to borrow my jacket without asking(ought) You.....................before you borrowed my jacket 9 They prevented people from entering the house during the investigation (being) They prevented.................during the investigation 10 It was impossible to start the machine by electricity then (started) The machine .....................electricity then LÀM HỘ VS Ạ VOTE+CTLHN _giúp_

Cho năm điểm A, B, C, D, E. Chứng minh rằng: a) AB + CD + EA = CB + ED b) AC + CD - EC = AE – DB + CB Giải em bài này với ạ.Tkss