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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. do you live in an apartment?
2. are there any stores on the street?
3. is your house new?
4. is a hotel near your house?
5. is it quiet here?
6. are the flowers beautiful?
7. does she live in a big house?
8. is the lake behind the house?
My daughter is fifteen years old.
What do they do?
They are engineers
We are in the/our living room now
How do you spell your name?
They live in a house in the city.
There are five people in Hoa's family
Who are they?
-They are nurses
What does your mother do?
They are students,that is their school
1 Ba doesn't get up at six o'clock every morning.
2 How many classrooms are there in his school?
3 How do you spell this word, Minh?
4 Stand up and open your book.
5 I am twenty-one years old and i'm a student
7 Is your house opposite the stadium?
8 There is a museum to the right of the house
9 In the neighborhood, there is a hospital and a factory.
10 Our class is on the third floor.
11 Nhung's house has six rooms
12 What time does your brother get up ?
Còn câu 6 mình thấy đúng mà!
1. are the sudents go to school at 6.30?
no,they aren't
2. are there any flowers in the garden?
yes, there are
3. is her sister a good student ?
no,she isn't
4. does linh have math on wed and thursday?
yes, she does
5. is the bank opposite the supermarket ?
no,it isn't
6. is there a lake in front of their house ?
yes ,is there
7. do hoa and huong play tennis after school ?
no ,they don't
8. is van`s brother twenty years old ?
yes ,he is
9. does mr. kha live in a big house in HCM city?
no ,he doesn't
(Tớ sẽ ko chịu trách nhiệm về độ chính xác của đáp án. Nhưng đề bài là j v?)
(Các cau dưới đây đã được sửa)
There is ONE mistake in each sentence,find and correct it:
a)What time does she start work?
b)Nam lives in a house in the country.
c)Is there a flower garden behind the house?
d)How many floors does your school have?
e)There is a supermaket near my house.
f)There is an old temple near our house.
g)How does Mr.Dong travel to work?
h)After dinner,she does her homework.
