Muốn tính diện tích Việt Nam
Ta đem Trung Quốc, Thái Lan cộng vào
Rồi đem nhân với nước Lào
Campuchia phát thế nào cũng ra…)

tick dung nha

My school is Van Thang secondary school.It is in countryside.It's yellow,big and very beautiful.It has two floors.My school has twenty-four classes,forty-five teachers and more than thousand students.The classrooms here have modern equipments.In my school,the teachers are kind and funny.The students here are friendly and creative.I love my school.

Kim Tự Tháp ở Ai Cập

Sai rồi.Câu đúng"Who is your favourite English teacher?"

There are forty-eight students in my class.

We have a two - month summer vacation.

Our summer vacation lasts for two months.

1. How does she go to school?

She goes to school by bus.

2. Where does she work?

She works at the library.

3. How many days a week does she work?

She works three days a week.

4. Does she go to bed early?

No she didn't.

5. Why does she stay up late?

Because Lan's classes all start at 8 a.m.

On school-days, Tom’s mother calls him at six. He gets up and goes to the bathroom. There he washes his face and brushes his teeth. Then he gets bathroom and goes downstairs to have breakfast.Tom leaves home at about half past six with his school bag under his arm. He gets to school at a quater to seven and plays or talks with his friends after the bell rings.

Gọi số học sinh của lớp 6D là a

Theo đề ra,a chia hết cho 4,6,9=> a ∈ BC(4,6,9) và 30≤ a ≤50

BCLN(4,6,9)=36

BC(4,6,9)=B(36)={0,36,72,...}

Vì a ϵ BC(4,6,9) và 30 ≤ a ≤ 50 => a= 36

Vậy lớp 6D có 36 học sinh.