viết đoạn văn trình bày suy nghĩ của em về những đóng góp thầm lặng

4x^2-3x+3= 4x căn ( x+3) + 2 căn (2x-1) Help me

CMR 2*(x^2+y^2)=(x+y)^2+(x-y)^2

1 Nick can't find the way he hasn't got a map -> if... 2 I advised you not to buy that house. -> if i were you ... 3 I will call the police unless you give back the money -> if...

Các bạn làm ra giấy rồi chụp gửi lên cho tiện nha BT1: Vẽ đồ thị của các hàm số y = x và y = 2x + 2 trên cùng một mặt phẳng tọa độ.

giải giúp mình câu 1 đến 5 nha :D

vẽ hình dưới có màu, không dùng app . Mk cảm ơn

ah cj giúp e vs ạ e đg cần gấp . e cảm ơn

34. Betty is very good at _____________ (organize) events for my class. I think that is her strongest point. 35. I really like _____________ (advertise) created by Neptunes, an oil-cooking trademark because they are very emotional and meaningful. 36. The _____________ (pronounce) of English words is sometimes the same as their spelling, but sometimes it’s not. 37. It’s very difficult _____________ (decide) an important choice in our life because it may affect our entire future, so be careful. 38. When surfing the Internet, you will see a lot of _____________ (advertise) on it. This will make you buy more products that you don’t really need. 39. I want to learn a _____________ (Europe) language like German or Italian. 40. The village was in _____________ (isolate) after the destruction of the severe storm called Tembin.

29. Making an important _____________ is not an easy thing to do. A. decide B. decision C. decisive D. decisiveness 30. What is the common currency unit of countries in the ____________? – It’s Euro. A. Africa B. Asia C. America D. Europe 31. What is the reflection of the word ‘decision’? A. importance B. requirement C. decisiveness D. advertisement 32. What is the antonym of the word ‘ban’? A. allow B. prohibit C. force D. forbid 33. I have just joined a local charitable _____________that usually holds social and volunteer activities to help the homeless, street children and poor people in the neighborhood. A. organizer B. organizing C. organization D. organizable