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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

0
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

      1. She teaches us English at school. She is a …………. . (teach)     2. In my ......................, there is a park. (neighbor)                                3. Vietnam has a lot of ................. places. (beauty)                            4. What is the .................. of this mountain? (high)     5. We often buy cheap bread in the ..................      (bake)     6. They have a lot of ........................ in the summer. (act)     7. This is the...
Đọc tiếp
      1. She teaches us English at school. She is a …………. . (teach)     2. In my ......................, there is a park. (neighbor)                                3. Vietnam has a lot of ................. places. (beauty)                            4. What is the .................. of this mountain? (high)     5. We often buy cheap bread in the ..................      (bake)     6. They have a lot of ........................ in the summer. (act)     7. This is the ....................... pagoda in Hue.                (old)     8. Don't ride too quickly. It is .........................                  (danger)     9. My house is .................. than yours.                             (big)     10. He greets me in a ......................... way.                      (friend)There are four............................in my house.             (bookshelf) The photocopy is between the .....................................and the drugstore. (bake)Is your brother an .........................................? (act)Mai's sister is a  ...................................... (sing)We must be  .................................... when we cross the  road. (care)This tree has a lot of green  .......................................... (leaf)Is your father a  .............................................? (business)I’m Vietnamese. What’s your ....................................................? (nation)Air ..................................... is a big problem in many cities in the world. (pollute)20. Yoko is from Japan. She is  ................................ (Japan)
1

1.(teach) teacher        2.(neighbor) neighborhood        3.(beauty) beautiful           4.(high) highest          5.(bake)bakery             6.(act)action

8.(danger) dangerous       9.(big) bigger         10.(friend) friendly      11.(bookshelf) bookshelves        12.(bake) bakery        13.(act) actor       14.(sing) singer            16.(leaf) leaves           17.(business) business man         18.(nation) nationality       19.(pollute) pollution                 20.(Japan) Japanese

Mình chỉ làm những câu mình biết thui nhé! Học tốt

23 tháng 10 2021
230+[2^4+(x-5)]=315.2018^0;x=69