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Trần Đan Phương

Toán học - Lớp 9

13/01/2025 19:40:43

Rút gọn biểu thức \(A = \left( {\frac{{2\sqrt x }}{{\sqrt x + 3}} + \frac{{\sqrt x }}{{\sqrt x - 3}} + \frac} \right):\left( {\frac{{2\sqrt x - 2}}{{\sqrt x - 3}} - 1} \right)\) (x > 0, x ≠ 9).

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Trần Đan Phương

Toán học - Lớp 9

13/01/2025 19:40:43

Rút gọn biểu thức \(B = \frac{{2\sqrt x }}{{\sqrt x + 3}} - \frac{{\sqrt x + 1}}{{\sqrt x - 3}} - \frac{{7\sqrt x + 3}}\) (x > 0, x ≠ 9).

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Trần Đan Phương

Toán học - Lớp 9

13/01/2025 19:40:43

Cho biểu thức \(A = \frac{{\sqrt x }}\) và \(B = \frac - \frac{{\sqrt x + 1}}{{\sqrt x + 2}}\) với x > 0. Rút gọn biểu thức \(P = \frac{A}{B}\).

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:29

Some people believe that money makes life easier and more comfortable. Others think that a large amount of wealth brings more trouble. Do the advantages of having a lot of money outweigh the disadvantages?

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:28

An increasing number of people are buying what they need online. What are the advantages and disadvantages for both individuals and companies to shopping online?

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:26

Money is important in most people’s lives. Although some people think it is more important than others. What do you feel are the right uses of money? What other factors are important for a good life?

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:25

Is teaching people over 65 to use computers the best way to spend government money? To what extent do you agree?

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:25

Some people believe the aim of university education is to help graduates get better jobs. Others believe there are much wider benefits of university education for both individuals and society. Discuss both views and give your opinion.

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:23

Global warming is one of the biggest threats to our environment. What causes global warming? What solutions are there to solve this problem?

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Trần Đan Phương

Tiếng Anh - Lớp 12

13/01/2025 19:40:16

Too much emphasis is placed on testing these days. The need to prepare for tests and examinations is a restriction on teachers and also exerts unnecessary pressure on young learners. To what extent do you agree or disagree?

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