mn ơi dịch cho em mấy cau tiengs anh này vs e đag cần gấp ah e cảm ơn mn nhiều lắm!
I have pain in my black,Im going to lie down
K
Khách
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Những câu hỏi liên quan
15 tháng 11 2021
\(a,=x^2+x+4x+4=\left(x+1\right)\left(x+4\right)\\ b,=x^2+2x-3x-6=\left(x-3\right)\left(x+2\right)\\ c,=x^2-2x-3x+6=\left(x-2\right)\left(x-3\right)\\ d,=3\left(x^2-2x+5x-10\right)=3\left(x-2\right)\left(x+5\right)\\ e,=-3x^2+6x-x+2=\left(x-2\right)\left(1-3x\right)\\ f,=x^2-x-6x+6=\left(x-1\right)\left(x-6\right)\\ h,=4\left(x^2-3x-6x+18\right)=4\left(x-3\right)\left(x-6\right)\\ i,=3\left(3x^2-3x-8x+5\right)=3\left(x-1\right)\left(3x-8\right)\\ k,=-\left(2x^2+x+4x+2\right)=-\left(2x+1\right)\left(x+2\right)\\ l,=x^2-2xy-5xy+10y^2=\left(x-2y\right)\left(x-5y\right)\\ m,=x^2-xy-2xy+2y^2=\left(x-y\right)\left(x-2y\right)\\ n,=x^2+xy-3xy-3y^2=\left(x+y\right)\left(x-3y\right)\)
TP
gấp mn giúp em câu này vs ạ e gấp lắm mn giúp em vs em cảm ơn ạ
0
PN
10
K
3 tháng 2 2021
8. The examiners have to read the passage 3 times.
The passage has to be read 3 times by the examiners
12.They will have to pull down that building.
That building will have to be pulled down
17. You should pay more attention to your study.
Your study should be paid more attention to
18.They can see the valley from the top of this hill.
The valley can be seen from the top of this hill
19.You must wash your hands.
Your hands must be washed
20. Will you post this letter on the way to work?
Will this letter be posted on the way to work by you?
22. How many ways can you solve this problem?
How many ways can this problem be solved?
23. I am sure that I will prepare everything carefully.
I'm sure that everything will be prepared carefully by me
28. she couldn’t catch his name.
His name couldn't be caught by her
31.Jane is going to buy a new computer.
A new computer is going to be bought by Jane
32. He is going to sell his house.
His house is going to be sold by him
33.Millions of people will visit the museum .
The museum will be visited by millions of people
35. Nothing will affect the result of the competition.
The result of the competition won't be affected
37. We will force the villagers to work hard
The villagers will be forced to work hard by us
38.They should ask him before giving the decision.
He should be asked before they give the decision
40. They have to cancel the meeting.
The meeting has to be cancelled
41. She needs to clean the floor.
The floor needs to be cleaned
V
violet
Giáo viên
3 tháng 2 2021
Chào em, em tham khảo nhé!
8. The examiners have to read the passage 3 times.
=> The passage has to be read 3 times by the examiners.
12.They will have to pull down that building.
=> That building will have to be pulled down.
17. You should pay more attention to your study.
=> Your study should be paid more attention to.
18.They can see the valley from the top of this hill.
=> The valley can be seen from the top of this hill.
19.You must wash your hands.
=> Your hands must be washed.
20. Will you post this letter on the way to work?
=> Will this letter be posted on the way to work?
22. How many ways can you solve this problem?
=> How many ways can this problem be solved?
23. I am sure that I will prepare everything carefully.
=> I am sure that everything will be prepared carefully.
28. She couldn’t catch his name.
=> His name couldn't be caught by her.
31.Jane is going to buy a new computer.
=> A new computer is going to be bought by Jane.
32. He is going to sell his house.
=> His house is going to be sold by him.
33.Millions of people will visit the museum.
=> The museum will be visited by millions of people.
35. Nothing will affect the result of the competition.
=> The result of the competition will not be affected (by anything).
37. We will force the villagers to work hard.
=> The villagers will be forced to work hard.
38.They should ask him before giving the decision.
=> He should be asked before giving the decision.
40. They have to cancel the meeting.
=> The meeting has to be cancelled.
41. She needs to clean the floor.
=> The floor needs cleaning/to be cleaned by her.
Chúc em học tốt và có những trải nghiệm tuyệt vời tại hoc24.vn!
NM
1
LT
3
KY
4 tháng 2 2023
1, That
2, This
3, that
4, those
5, these - that
6, these
7, this
8, that
9, that
10, this
11, those
12, this
13, it
14, these
15, them
16, those
8 tháng 5 2021
ĐKXĐ: \(x\notin\left\{0;-9\right\}\)
Ta có: \(\dfrac{1}{x+9}-\dfrac{1}{x}=\dfrac{1}{5}+\dfrac{1}{4}\)
\(\Leftrightarrow\dfrac{20x}{20x\left(x+9\right)}-\dfrac{20\left(x+9\right)}{20x\left(x+9\right)}=\dfrac{4x\left(x+9\right)+5x\left(x+9\right)}{20x\left(x+9\right)}\)
Suy ra: \(4x^2+36x+5x^2+45x=20x-20x-180\)
\(\Leftrightarrow9x^2+81x+180=0\)
\(\Leftrightarrow x^2+9x+20=0\)
\(\Leftrightarrow x^2+4x+5x+20=0\)
\(\Leftrightarrow x\left(x+4\right)+5\left(x+4\right)=0\)
\(\Leftrightarrow\left(x+4\right)\left(x+5\right)=0\)
\(\Leftrightarrow\left[{}\begin{matrix}x+4=0\\x+5=0\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=-4\left(nhận\right)\\x=-5\left(nhận\right)\end{matrix}\right.\)
Vậy: S={-4;-5}
KH
8 tháng 5 2021
Hướng làm:
Thấy cả tử mẫu cộng lại đều bằng 2021 → Cộng thêm 1 rồi quy đồng với mỗi phân thức
\(\dfrac{x+2}{2019}+1+\dfrac{x+3}{2018}+1=\dfrac{x+4}{2017}+1+\dfrac{x}{2021}+1\\ \Leftrightarrow\dfrac{x+2021}{2019}+\dfrac{x+2021}{2018}-\dfrac{x+2021}{2017}-\dfrac{x+2021}{2021}=0\\ \Leftrightarrow\left(x+2021\right)\left(\dfrac{1}{2019}+\dfrac{1}{2018}-\dfrac{1}{2017}-\dfrac{1}{2021}\right)=0\\ \Leftrightarrow x+2021=0\Leftrightarrow x=-2021\)
TM
8 tháng 5 2021
\(< =>\dfrac{x+2}{2019}+1+\dfrac{x+3}{2018}+1=\dfrac{x+4}{2017}+1+\dfrac{x}{2021}+1\)
\(< =>\dfrac{x+2+2019}{2019}+\dfrac{x+3+2018}{2018}=\dfrac{x+4+2017}{2017}+\dfrac{x+2021}{2021}\)
\(< =>\dfrac{x+2021}{2019}+\dfrac{x+2021}{2018}-\dfrac{x+2021}{2017}-\dfrac{x+2021}{2021}=0\)
\(< =>\left(x+2021\right)\left(\dfrac{1}{2019}+\dfrac{1}{2018}-\dfrac{1}{2017}-\dfrac{1}{2021}=\right)=0\)
\(< =>x+2021=0< =>x=-2021\)
Vậy....
DD
Đoàn Đức Hà
Giáo viên
8 tháng 5 2021
\(\frac{x+2}{2019}+\frac{x+3}{2018}=\frac{x+4}{2017}+\frac{x}{2021}\)
\(\Leftrightarrow\frac{x+2}{2019}+1+\frac{x+3}{2018}+1=\frac{x+4}{2017}+1+\frac{x}{2021}+1\)
\(\Leftrightarrow\frac{x+2021}{2019}+\frac{x+2021}{2018}=\frac{x+2021}{2017}+\frac{x+2021}{2021}\)
\(\Leftrightarrow x+2021=0\)
\(\Leftrightarrow x=-2021\)
tỉ lệ dịch sai là 10% và nó đã win r bn ak . sai r .... black ở đây ko hợp lí đc
bn ơi , black ko pk đau lưng nha ....
từ đau lưng là backache nha ko pk black
vs lại từ black là tính từ ( adj ) nên ko thể đứng sau my đc , sau my pk là 1 danh từ nha
=> ở câu này chỉ có thể bn ấy nhập sai thôi
ý kiến riêng