cm2 với cm3

bạn có thể viết vào bản viết tắt

 cm² đo diện tích (kích thước hai chiều, ví dụ như diện tích mặt bàn), còn cm³ đo thể tích (kích thước ba chiều, ví dụ như thể tích nước trong cốc).

3. He was very tired because he did not sleep well last night.

4.In spite of the low wage, Sarah continues to fo her job.

5. My friend is bilingual because she can speak both English and Vietnamese fluently.

3. He was very tired because he did not sleep well last night.

4.In spite of the low wage, Sarah continues to fo her job.

5. My friend is bilingual because she can speak both English and Vietnamese fluently.

Vận tốc của ô tô đó là:

90 :1,5=60(km/h)

Vận tốc của xe máy đó là:

60x75%=45(km/h)

Thời gian xe máy chạy quãng đường AB là:

90:45=2(giờ)

Ô tô đó đến B trước xe máy:

2-1,5=0,5(giờ)

Đổi: 0,5 giờ=30 phút

Vậy ô tô đó đi đến B trước xe máy 30 phút

AI HỎI

thích

tui ko biết gì nhiều thông cảm

Thời gian xe máy đi trươc là:

6h30p -6h=30p

đổi 30p=0,5h

Vận tốc xe thứ 1 là:

90:0,5=180(km/h)

vận tốc ô tô là:

180+15=195(km/h)

day la bai lop 9 u

1. Fill in each gap with ONE suitable word to complete the passage.            England is not a large (1)___ country______. No town (2)_____in____England is very far (3)___ from______the sea and many English families spend their summer holidays at (4)____ the_____seaside. There are no high mountains in England, no very (5)____ long_____ rivers and no very large forests. There are many towns in (6)____ England_____. No town is very far from another. The English countryside between the towns is like the carpet of many (7)____ colors____. In (8)___ Spring_____and summer, the fields, meadows and forests (9)____ are____ light green or dark green and the gardens are green, red, blue, yellow and white (10)____ with_____flowers

2. Read the following passage and answer the questions

Miss. Lan lives in Hanoi. She teaches Literature at a school in Hanoi. She goes to work by bus every morning. She has two days off a week: Saturday and Sunday. She has a bicycle but she never cycles to work because it’s too far from her house to her school. Her work starts at 8.00 am and finishes at 4.00 pm. After work, she usually goes swimming in the swimming pool or plays badminton. She comes back home at 7.00 pm and has dinner. After dinner, she is always busy marking her students’ papers. Sometimes she watches TV. She feels happy with her job.

1. Where does Miss Lan work?                                                                                          She works at a school in Ha Noi.

2. How many days a week does she go to work?                                                                    She goes to work five days a week.

3. Why doesn’t she ride her bike to work?                                                                          Because it's too far from her house to her school.    

4. Is she free after dinner?                                                                                                  No,she doesn't.

5. How does she feel with her job?

 She feels happy with her job.