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Sau ngày đọc thứ nhất, phân số chỉ số trang còn lại là:
1 - 2/7 = 5/7 số trang
Phân số chỉ số trang đọc ngày thứ hai là:
5/7 x 9/20 = 9/28 số trang
44 trang ứng với:
5/7 - 9/28 = 11/28 số trang
Số trang của quyển sách là:
44 : 11/28 = 112 trang
Đáp số : 112 trang
P/số chỉ số trang sách ngày thứ 2 đọc đc là
\(\left(1-\frac{2}{7}\right).\frac{9}{20}=\frac{9}{28}\)(tổng số trang)
P/số chỉ số trang sách ngày thứ 3 đọc đc là
\(1-\frac{2}{7}-\frac{9}{28}=\frac{11}{28}\)(tổng số trang)
Quyển sách Hoa đọc đc có số trang là
\(44:\frac{11}{28}=112\)(trang)
Đ/số : 112 trang
Ủng hộ mk nha,chúc bn học tốt!!
1. The hotel is in front of my house.
2. There are many muontains and rivers in our country.
3. Viet Nam has a lot of rain .
4. The world has many big seas.
5. Mount Fuji in Japan is a beautiful mountain.
6. Mount Everest is higher than Mount Phaxipang.
7. My sister goes to the supermarket on foot.
8. Our garden has many flowers.
9. Does your father get to work by bicycle ?
10. Nam ' s classroom is in front of the garden.
11. Tom travels to work by car every morning.
1. My house is behind the hotel
=> The hotel is in front of my house
2. Our country has lots of mountains and rivers
=> There are many mountains and rivers in our country
3. There is a lot of rain in Vietnam
=> Viet Nam has a lot of rain
4. There are many big seas in the world
=> The world has many big seas
5. Japan has Mount Fuji. It's a beautiful mountain.
=> Mount Fuji is a beautiful mountain in Japan
6. Mount Fansipan is lower than Mount Everest
=> Mount Everest is higher than Mount Fansipan
7. My sister walks to the supermarket
=> My sister goes to the supermarket on foot
8. There are many flowers in the (our) garden
=> Our garden has many flowers
9. Does your father cycle to work?
=> Does your father get the cycle to work?
10. The garden is behind Nam's classroom
=> Nam's classroom is in front of the garden
11. Tom drives to work every morning
=> Tom travels to work by car/ motorbike every morning
1 . There are five people in Nam's family.
2 . His father, his mother, his brother, his sister and Nam .
3 . They live on Nguyen Trai street .
4 . His father is forty - five years old .
5 . His father is an engineer.
6 . No, she is itn't . She is a doctor .
7 . Nam is twenlve years old.
8 . He is a student .
1.What are they ?
2.What is this ?
3.What is his sister's name ?
4.What is your name?(nếu hỏi tuổi thì là How old are you ?)
5.What does your mother do ?
6.Where is the student ?
7.How many lamps in the room?
8.Who is that ?
9.How many students are there in your class ?
10.Are there your book?
ủng hộ mk nha
9: tallest students in my class
10: is the olderst people in my family