cho đoạn thẳng AB , đường thẳng BD là đường trung trực của AB, điểm M thuộc đường trung trực, so sánh MA và MB

cho góc xOy , 1 đường thẳng d vuông góc với xOy ,cắt 2 cạnh của góc đó tại A và B.

chứng minh OA = OB

-cho tam giác ABC ,góc  =90 ,M là trung điểm của BC

chứng minh

a, tam giác AMB bằng tam giác AMC

b, AM vuông góc với BC

2. hãy đặt câu hỏi thích hợp cho phần gạch chân

1. the souvenir shop is in front of the books store

2. It's five lrilometers from my house to the supermarket

3. It talre mr lan fifteen minutes to walk to work

4. trang will mail his letter to bruce his penpal

5. wwe go to HCM city by train

6. the stamp for yair letter cost 8.000 VNĐ

7. minh needs aphone card because she wants to give he presents a call

8. there are over 1000 stamps in nam's collection

9. I d like to buy some local goods

10 Iam phones his uncle twice a month

1,hãy tìm 1 lỗi sai trong những câu sau rồi chữa lại cho đúng. nếu không có ghi right

1. mis browr eats a few fruit for breakfast

2. I have less books in english than my classmate

3. we are going to have a two weeks summer vacations in hue next month

4.my uncle is a cuchitect and he works in HCM city

5. do american students have more vacation a year than vietnamese ones?

6. long usually stays up lately to do his homework

7. how much hours does hoa's brother work a week?

8. In the future robots will do all the house work for are and you

9. a famer need feating the animal every day of the yeas

10. mr thanh doesn't live in the country and we don't too

2. hãy đặt câu hỏi thích hợp cho phần gạch chân

1. the souvenir shop is in front of the books store

2. It's five lrilometers from my house to the supermarket

3. It talre mr lan fifteen minutes to walk to work

4. trang will mail his letter to bruce his penpal

5. wwe go to HCM city by train

6. the stamp for yair letter cost 8.000 VNĐ

7. minh needs aphone card because she wants to give he presents a call

8. there are over 1000 stamps in nam's collection

9. I d like to buy some local goods

10 Iam phones his uncle twice a month