Câu 8: Hai đường thẳng xy và x'y' cắt nhau tại O. Biết xOx' = 70 độ. Ot là tia phân giác của góc xOx'. Ot' là tia đối của tia Ot. Tính số đo góc yOt' ? * ( giúp mình đc ko ? ) trả lời nhanh nhé

Dịch ra tiếng anh: Một con mèo nhìn thấy con chó sau khi nhìn con chuột

Làm thơ cà khịa đứa bạn mình, nó tên ĐỨC.

Nó mượn tiền mình mấy tháng rồi nhưng chưa trả, nó còn chặn Zalo mình nữa.

KAYYYYYYYYYYYYYYY...

chọn:

1.oscar always does/doing the washing ip in the evening

2.i'm a bit scared because i see/will see the dentist this afternoon

3.shall you tell/will you tell about that story?

4.marry hates go hiking/going hiking at weekends

Phân biệt khí hậu và thời tiết 

rút gọn 

a) 2x^2y (4x^3-1/2x^2+2)

b)(x+3)(5x-4)

rút gọn 

a) 2x^2y (4x^3-1/2x^2+2)

b)(x+3)(5x-4)

rút gọn 

a) 2x^2y (4x^3-1/2x^2+2)

b)(x+3)(5x-4)

II. Use the correct verb forms to complete the sentences below.

1. Robots can’t talk to people to recognize our voices, but scientists (work)______________ on the solution.
2. John (be)_____________ to many beautiful places in Vietnam.
3. Lots of us (work)________________ at the office on Saturday because we had to finish the project by Monday.
4 Why don’t you try on this jacket? It (look)_______________ nice on you
5. - A: Why are you turning on the television?
- B: I (watch )___________________ the news.
6. mustn’t (travel) ________________ alone to the mountain as it is very dangerous.
7. This Tet holiday, I (keep)______________ my lucky money in my piggy bank.
8. Whenever I have time I like to read but I’d prefer (not read) ____________ in the evening.
9. I’d rather stay at home than (go)_____________ out tonight.
10. They enjoyed (meet)_______________ people on their trip around Italy.

III. Fill in each blank with the correct word. Supply the correct verb form where necessary:
put keep get make complain
1. After the journey, we were too tired to ..................on chatting.
2. It’s important for them to learn to .................. on with each other. 3. I would like you to help me to ..................the chairs away.
4. I couldn’t believe that she..................up that story.
5. He’s always..................to me about his bossy director.

giải phương trình  3^2x+1  - 9.3^x  + 6 = 0

giải phương trình  5^2x-1   + 5^x+1 = 250

giải phươnng trình   2^(4x+1)  - 15.4^x - 8 = 0