1. B

2. C

3. A

4. B

5. B

6. C

1. C
2. D
3. A
4. B

trả lời câu hỏi có thẻ viết số còn viết vào bài mới cần ghi số la mã ạ

21

1. What does Vy often have for breakfast?
2. Do you usually go to school on Mondays?
3. Mary and Tom want two glasses of milk.
4. My brother eats lunch in the school canteen every day.
5. My friend go to the judo club every Sunday.

xang trấn tâm lý 

1. Dog is my favourite animal because they are good companions of people.
2. I don't like jazz but a friend of mine is a fan of it.
3. Although they were stuck in the traffic for hours, they managed to get there on time.
4. When I came to the party, everyone was leaving.
5. This time Jane works very hard because she doesn't want to fail the exam agian.

ủa thế r bằng bao nhiu z 

\(2x\left(x-5\right)-x\left(3+2x\right)=26\)
⇔\(2x^2-10x-\left(3x+2x^2\right)=26\)
⇔\(2x^2-10x-3x-2x^2=26\)
⇔\(\left(2x^2-2x^2\right)-\left(10x+3x\right)=26\)
⇔\(-13x=26\)
⇔\(x=\dfrac{26}{-13}\)
⇔\(x=-2\)