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23 tháng 10 2021

64+62x19                            22x3-(110+8)32                      72-36:32

=64+36x19                         =4x3-(1+8)9                        =49-36:9

=100x19                             =12-(1+8)9                          =49-4

=1900                                 =12-9.9                               =45

                                           =-6

Hok tốt!

23 tháng 10 2021

=36 ok

23 tháng 10 2021

bao nhiêu vậy ạ

23 tháng 10 2021

\(24+n⋮n\Rightarrow24⋮n\)

\(\Rightarrow n\in\left\{1;2;3;4;6;8;12;24\right\}\)

23 tháng 10 2021

b) \(15-n⋮n\Rightarrow15⋮n\)

\(\Rightarrow n\in\left\{1;3;5;15\right\}\)

23 tháng 10 2021

chỉ có hoàng gia bảo thôi kb ko

23 tháng 10 2021

gia bảo cậu học lớp mấy vậy

Exercise 8: Read the text and do the tasks that follow.Houses for lease#1 I have a beautiful double bedroom available in an apartment to share with one other person. The apartment is on the 12th floor and the room itself is a large double bedroom with two big beds under the window. There is a lamp and a chest of drawers between the two beds. In the corner of the room, there is also a wardrobe and a bookshelf. The apartment has a modern kitchen and an open living room. It is only a 5-minute walk...
Đọc tiếp

Exercise 8: Read the text and do the tasks that follow.

Houses for lease

#1 I have a beautiful double bedroom available in an apartment to share with one other person. The apartment is on the 12th floor and the room itself is a large double bedroom with two big beds under the window. There is a lamp and a chest of drawers between the two beds. In the corner of the room, there is also a wardrobe and a bookshelf. The apartment has a modern kitchen and an open living room. It is only a 5-minute walk to the bus stop. A one month deposit is needed, but there are no other fees.

 

#2 We have a large unfurnished double room, in a really nice house in the city. It's a big and clean house with a beautiful street view. The house is a 10-minute walk from the station. There is a shared living room, bathroom and kitchen with an air-conditioner, two ceiling fans, a microwave, a television and four armchairs. The minimum term is three months and the deposit is one month's rent.

#3 The room is in a two bedroom house that is very close to the bus stop going to the town. There is a kitchen next to the room and it's furnished including a dishwasher. There are also two large modern bathrooms with separate showers. The room is facing the garden and it is nice and quiet. It's good for people who enjoy a quiet but sociable life. The house is occupied by a mother and her 10-year-old son. Both are very nice and friendly. The rent is all inclusive - no more charges.

1. Match the following titles with the corresponding paragraphs.

1. A Nice Double Room To Rent Within A Modern Apartment

2. A Double Room To Rent In A Big House, Very Close To The Station

3. A Double Room In A Quiet Area Paragraph 3

Paragraph 2

Paragraph 1

 

2. Fill in the blank with number 1, 2, or 3 corresponding to the three houses mentioned in the passage.

1.____________ There are 2 beds in the bedroom.

2. ____________It is very near the bus stop to the town.

3. ____________You must rent it at least 3 months.

4. ____________You will live with another person if you rent this house/ apartment.

5. ____________There isn't any furniture in this room.

6. ____________The kitchen is next to the bedroom.

7. ____________There are two bedrooms in this house/ apartment.

8. ____________You will live with a woman and a boy in this house/ apartment.

9. ____________It takes you about five minutes to walk to the bus stop.

10. ____________You will share the bathroom and the kitchen with others in this house/ apartment.

3. Choose the best answer to complete the blank.

1. You have to pay one month in advance if you rent the house/ apartment ________.

A. 1 & 2 B. 2 & 3 C. 1 & 3

2. You can see the street if you rent the house/ apartment ________.

A. 1 B. 2 C. 3

3. The kitchen in the house/ apartment ________ is furnished.

A. 1 & 2 B. 2 & 3 1 & 3

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23 tháng 10 2021

Ư{17}={1,17}

B[4]={8,12,16,20,24,28,32.36.40,44,48,52,56,60,64,68,72,76,80,84,88,92,96}

B[2]={2,6,18} với điều kiện X thuộc Ư[54]

Ư[28]={7} với điều kiện là X thuộc Ư[35]

23 tháng 10 2021

mong bạn tích

23 tháng 10 2021

Ta có : 42 = 16

Ư(16) = { 1 ; 2 ; 4 ; 8 ; 16 }

Tổng các ước của 16 là : 1+2+4+8+16 = 31

mà 16 = 42 => tổng các ước của 42 = 31

_HT_

23 tháng 10 2021

Ư(4^2)

\(\Rightarrow\)Ư(4^2) = Ư (16)  = { 1; 2 ;4 ;8 }

\(\Rightarrow\)Tổng các Ư(4^2)= 4 phần tử nha bn