\(^{\left(a+b+c\right)^3}\) = ?

Giải và biện luận:
a) \(\dfrac{x}{a}+a>x+1\) (a>1)
b) ax - b> bx + a

I saw him WATERING the flowers in the garden.
Đây là dạng "ngữ phân từ hiện tại" (V-ing) hay còn gọi là "hiện tại phân từ" water đảm nhận 2 chức năng vừa là noun vừa là verb.

6. "Is it going to be a fine day today?" I asked her.
- I asked her if it was going to be a fine day that day.
7. "He's not at home", she said.
- She said that he was not at home.
8. "Is the bus station far away?" the girl asked.
- The girl wanted to know if the bus station was far away.
9. "Don't stay out late, Ann" Tom said.
- Tom told Ann not to stay out late.
10. "Please let me borrow your car", he said to her.
- He asked her to lend him her car.

11. "Jean, have you seen my golves?" Thomas asked.
-> Thomas asked Jean if he had seen his gloves.
12. "Don't leave the window open, Mary", I said.
-> I told Mary not to leave the window open.
13. "I'll have a cup of tea with you", she said.
-> She said that she would have a cup of with me.
14. "I'll pay him if I can', she said.
-> She said that she would pay him if she could.
15. "What are you going to do next summer?" she asked.
-> She asked us what we were going to do the next summer.

Cho góc xOy lấy A \(\in\) tia Ox; B\(\in\) tia Oy; vé các tia phân giác của các góc BAx và ABy cắt nhau tại M. Từ M vẽ đường thẳng vuông góc với OM; cắt Ox và Oy lần lượt tại C và D.

CMR: tam giác COD đều