Cho tứ giác ABCD biết góc A = 120°, góc B = 90°, góc C = 2 góc D. Tính số đo góc C và góc D

Em hãy viết 1 đoạn văn diễn dịch (6-8 câu) với chủ đề tự chọn.

Write topic (40- 60 words) about: Single-use plastic bags should be banned by 2025.In the essay, points, evidence, and examples are used.

Underline the mistakes in the following sentences then correct them

1. She goes to the school at 7:30 a.m.

2.  Is there any low-calories dishes on the menu ?

3. Are there any cheese ?

4. Who're talking on the phone ?

5. I don't see nothing in the cave. It's too dark.

6. She's wonderful desinger.

7. What kind of fruit are there in this fruit salad ?

8. Netherlands is a great country to visit.

9. What are his daughter's names ?

Rút gọn và thực hiện biểu thức

a) x\(^2\) .(x - y\(^2\)) - xy. (1 - yx) - x\(^3\)

b) x. (x + 3y + 1) - 2y. (x - 1)

c) (-xy\(^2\))\(^2\) . (x\(^2\) - 2x +1)

d) (x + 2y). (x\(^2\) - 2y + 4z)

e) \(\dfrac{27}{15}\)x\(^3\)yz\(^5\) : \(\dfrac{9}{5}\)xz\(^2\)