Cho tam giác ABC có BC = 24cm, AC = 2AB. Tia phân giác của góc ngoài tại A cắt đường thẳng BC ở E. Tính độ dài EB.

tìm số nguyên n để

\(\left(n^2+3n+3\right)⋮\left(2n-1\right)\)

viet lai cau dua vao tu goi y :

1. I / tell / them / I/ take / south / France / August

2. Some learners / stick / a / piece of paper / newwords / wall / learn / it / any time

3. What/ life / like / country / when / you / was / young ?

4. We/ used / walk / school / morning / return / afternoon

5. I / not /see / him / since / we / leave / school

6. Compost / make / household / garden waste

7. He / tell / me / that / he / borrow / book / school library