câu 8 phải là isn't grown chứ,

Học sinh nên học nhiều môn ở trường, em có đồng ý không?
Viết bằng tiếng Anh nha

Write a letter to your friend, talk about your recent Tet holiday that you've just had.

Giải pt

2x(x + 2)² - 8x² = 2(x - 2)(x² + 2x + 4)

Write a passage (120 - 150 words) about the following topic: "Cycling is a good habit."

Imagine you have just received a gift from an American friend, Susan. Write a letter (about 80 - 100 words) to thank her and invite her to visit your family this summer vacation. Use Tung Chi as your name - don't show your personal information.

Tìm x, y thoả mãn:

a) 5x² + y² = 12 - 4x - 2xy
b) x² + xy -2008x - 2009y - 2010 = 0