1) how much does it cost to use the website?

2) how many puzzles are there on the website

3) why is it good to eat a balanced diet

1) phân tích đa thức thành nhân tư:

A) (ab-1)^2 + ( a +b)^2

B) x^2 -13x +36

C) 3x^2 - 16x +5

1) What are you scared of doing? 2) What are you excited about in the future?

1) What are you good (or not bad) at doing? 2) What are you bad ( or not so good) at doing? 3)What are you interested in doing?

1) Nêu những đặc điểm chung của các nước Anh, Pháp, Mị

1) Tính GT của biểu thức: a) C = ( 2x+3y) ( 2x-3y) - (2x - 1)² + ( 3y-1)² với x = 1, ý = -1

1) Tính GT của biểu thức: a) A = ( 2x²+ 5x +3 ): (x+1) - ( 4x - 5) với x = -2 b) B = [ ( 3x-2).(x+1) - ( 2x + 5) ( x²-1) : (x+1) với x = 2,5

Khối lượng của phân tử O₂ là ( ghi cách làm nha)

1) I'm not good at any subjects. I want to be brave/clever 2) I don't have a goal for the future.I want to be ambitious/ confident 3) I never win anything. I want to be creative/ competitive

1) I'm too shy. I want to be more confident/ competitive 2) I'm afraid of everything. I want to be ambitious/ brave 3) I don't have any new ideas. I want to be more creative/clever