Vẽ đường tròn tâm O bán kính R=2cm .Lấy 3 điểm A,B,C bất kì trên đường tròn .Vẽ các đoạn AB,BC,CA.Vẽ các đường trung trực của các đoạn thẳng AB,BC,CA

[x+3]-[4-x]=0 mọi người giúp mình nha

Giúp mik mấy câu còn thiếu vs Tối nay mk gửi r Mk cảm ơn

Cần lắm 1 sự bình yên... Vẽ cho em anime quạo , chibi cx đc

Giúp mình câu 3 với ạ. Cảm ơn nhiều 😍😍

Cho ΔABC nhọn có AB<AC, phân giác AD (D ∈ BC). Trên tia AC lấy điểm E sao cho AE=AB. Trên tia đối của tia BA lấy điểm F sao cho BF=EC. Cm: a)DF=DC b) F,D,E thẳng hàng

Hãy xây dựng một kế hoạch học tập, rèn luyện cho năm học lớp 9 ( bản thân và trao đổi trong tổ học tập.

tìm 2 số lẻ có tổng bằng 2012, biết giữa chúng có tất cả 13 số chẵn khác nhau nhanh mik cần gấp lắm ạ

III. READING:(2,0pts) 1. Choose the correct word or phrase that best fits each of the numbered blanks. I have a very (25)____and enjoyable hobby. I make short video clips with my digital camera. It was my birthday present from my parents last year. Since then, I have (26)___three short films. It’s great fun! I started asking my friends and relatives to take (27)___ in the films. I have tried to write the story for my video clips. When I have finished the script, I make copies for the “actors”. Each scene is small and they can look at the words just(28)_____we start filming. We film at the weekend in my neighborhood, some one has to travel far. When the video clip is finished, I invite all the “actors” and we watch the film at my house. Question 25. A. interesting B. interested C. interest D. interestingly Question 26. A. making B. made C. make D. makes Question 27. A. scene B. role C. part D. film Question 28. A. before B. after C. at D. in 2. Choose the correct answer to each of the following questions. If you enjoy cycling for pleasure, doing it in London can be difficult. There are not enough lanes especially for bikes, and making your way through the traffic can be very risky. But if you have great passion, cycling in London can be exciting, and it is an inexpensive way of keeping fit if you live there. Some cyclists don’t mind spending a lot of money on expensive bikes. However, if you just want a basic bike that is only for occasional use, there are many cheap choices. Several markets have cheap 5 bikes on sale which may not be impressive to look at but should be satisfactory. You should buy a cycling helmet if you want to cycle in London. Wearing a cycling helmet is not compulsory in Britain, but it is a good idea to wear one for protection. Question 29. The passage talks about cycling in __________ A. London B. your hometown C. the world D. Paris Question 30. Cycling for pleasure in London can be______________. A. easy B. not easy C. tiring D. boring Question 31. Is it necessary for some cyclists to spend a lot of money on expensive bike? A. No, it isn’t B. Yes, it is C. Yes. It is necessary D. No, they aren’t. Question 32. According to the passage, which of the following is NOT true ? A. It is compulsory to wear a helmet when cycling in Britain. B. Some bikes in London are cheap. C. There are not many lanes especially for bikes. D. Some cyclists don’t want to buy expensive bikes.

Em hãy nêu một vài tấm gương về thanh niên đã phấn đấu vì sự nghiệp xây dựng và bảo vệ Tổ quốc trước đây cũng như hiện nay. Em học được những điều gì ở họ ?