Cho ΔABC nhọn. CM: `sinA.cosB+cosAsinB=sinC`

II. Put the verb in bracket into the past simple then turn into interrogative and negative. 1. Hoa and Lan (buy) ___________ some books yesterday. ____________________________________________________________________ ____________________________________________________________________ 2. Our friends (watch) ____________ a game on TV last night. ____________________________________________________________________ ____________________________________________________________________ 3. Ba’s teacher (give) _____________ him a lot of homework last week. ____________________________________________________________________ ____________________________________________________________________ 4. Our class (go) ___________ to the zoo 2 days ago. ____________________________________________________________________ ____________________________________________________________________ 5. Their grandmother (tell) ____________ them a lot of stories last year. ____________________________________________________________________ ____________________________________________________________________ 6. Lan (wear) ____________ a new dress at my party last night. ____________________________________________________________________ ____________________________________________________________________ 7. They (watch) ______________ TV last night. ____________________________________________________________________ ____________________________________________________________________ 8. Hoa’s mother (go) ____________ shopping yesterday. ____________________________________________________________________ ____________________________________________________________________ 9. We (visit) _____________ our grandparents last weekend. ____________________________________________________________________ ____________________________________________________________________ 10. I (receive) _________________ a letter yesterday. ____________________________________________________________________ Mọi người đặt câu phủ định và nghi vấn giúp em với Em cám ơn

Sửa lỗi sai 1.London is a expensive city 2.The party is so boring that I decedied to leave early 3.My father's office are on the second floor 4.Peter eaned many money last year 5.How far does it take toyou get to school Chia 1. He (eat) ........... a lot of meat yesterday morning 2.My mother (give) ... me a new bike next week 3.He(often not/go) .. to the movies on Sunday in the mornings 4.Mr.Minh (go) ... To London next week if he gets a cheap flight ticket 5.You must (walk) ... through this street to get to the post office Giải nhanh nhé

Khử hoàn toàn 18 gam oxit RO (với R là kim loại hóa trị II) bằng khí CO dư thu được một kim loại và 8,96 lít hỗn hợp khí (đktc) có tỉ khối hơi so với H2 bằng 19. Tìm công thức hóa học của oxit đó ?

cho `( ay - bx )/c = ( cx - az) /b = ( bz - cy )/a .` cmr `( ax + by + cz )^2 = ( x^2 + y^2 + z^2 ) ( a^2 . b^2 . c^2 )`

Tại sao nói liên minh châu âu là tổ chức kte toàn diện nhất thế giới A . Có cơ cấu chặt chẽ hoàn thiện B. Có nhiều hd thương mại C . Tài nguyên thiên nhiên D . Nhiều thành viên nhất

Nl: Ờ....học anatomy mọi người thấy thế nào? --> Tui "lay lắt" vẽ pose một số kiểu dáng người nha + trả lời Nl (bắt buộc)

Bài 1 : Cho đoạn thẳng AB dài 5cm. Điểm B nằm giữa hai điểm A và C sao cho BC = 3cm. a) Tính AC b) Trên tia đối của tia BA lấy điểm D sao cho BD = 5cm. So sánh AB và CD Bài 2 : Trên tia Ot vẽ các đoạn thẳng OA= 2cm, OB= 3OA. Trên tia đối của Ot vẽ đoạn thẳng OC=OB. Tính độ dài các đoạn thẳng AB, BC và AC ai làm hộ mik mik vote 5* ạ !!

II. Rewrite the sentences using structure: It's (im)possible to + V… 1. It's possible to wear face mark to protect oneself. 2. It's impossible to buy lot of food nowaday. 3. It was possible to wash your hands with hand wash. 4. It was impossible to park your car here. 5. It's possible to build a factory in the country. 5. It's impossible to catch fish in the lake. 6. It's impossible to load the grass on a motorbike. 7. It was impossible to paint the walls yesterday. 8. It was possible to water the flowers and vegetables. 9. It's possible to turn the lights on now. 10. It's impossible to give money to him last week.

in/ spring/ What/ like/ is/ the weather