Mọi người ơi giúp mình nêu ra những điểm khác biệt trong hai bức tranh bằng Tiếng Anh với ạ. Mình cảm ơn rất nhiều.
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14 tháng 12 2021
\(1,ĐK:x\ge2\\ PT\Leftrightarrow\sqrt{3x-6}+x-2-\left(\sqrt{2x-3}-1\right)=0\\ \Leftrightarrow\dfrac{3\left(x-2\right)}{\sqrt{3x-6}}+\left(x-2\right)-\dfrac{2\left(x-2\right)}{\sqrt{2x-3}+1}=0\\ \Leftrightarrow\left(x-2\right)\left(\dfrac{3}{\sqrt{3x-6}}-\dfrac{2}{\sqrt{2x-3}+1}+1\right)=0\\ \Leftrightarrow\left[{}\begin{matrix}x=2\left(tm\right)\\\dfrac{3}{\sqrt{3x-6}}-\dfrac{2}{\sqrt{2x-3}+1}+1=0\left(1\right)\end{matrix}\right.\)
Với \(x>2\Leftrightarrow-\dfrac{2}{\sqrt{2x-3}+1}>-\dfrac{2}{1+1}=-1\left(3x-6\ne0\right)\)
\(\Leftrightarrow\left(1\right)>0-1+1=0\left(vn\right)\)
Vậy \(x=2\)
14 tháng 12 2021
\(2,ĐK:x\ge-1\)
Đặt \(\left\{{}\begin{matrix}\sqrt{x+1}=a\\\sqrt{x^2-x+1}=b\end{matrix}\right.\left(a,b\ge0\right)\Leftrightarrow a^2+b^2=x^2+2\)
\(PT\Leftrightarrow2a^2+2b^2-5ab=0\\ \Leftrightarrow\left(a-2b\right)\left(2a-b\right)=0\\ \Leftrightarrow\left[{}\begin{matrix}a=2b\\b=2a\end{matrix}\right.\)
Với \(a=2b\Leftrightarrow x+1=4x^2-4x+4\left(vn\right)\)
Với \(b=2a\Leftrightarrow4x+4=x^2-x+1\Leftrightarrow x^2-5x-3=0\Leftrightarrow\left[{}\begin{matrix}x=\dfrac{5+\sqrt{37}}{2}\left(tm\right)\\x=\dfrac{5-\sqrt{37}}{2}\left(tm\right)\end{matrix}\right.\)
Vậy ...
TN
Mọi người ơi giúp mình với,mình cảm ơn rất nhiều ạ
2
S
22 tháng 1 2022
used to deliver
used to be
used to go
used to drive
used to spend
used to believe
used to work
used to serve
LP
22 tháng 1 2022
1. used to deliver
2. used to be
3. used to go
4. used to drive
5. used to spend
6. used to believe
7.used to work
8. used to serve
DT
Đỗ Thanh Hải
CTVVIP
25 tháng 3 2021
IV
1 to have
2 making
3 leaving
4 seeing
5 to get
6 arguing - working
7 to have
8 to seeing
9 not touching
10 to disappoint
V
1 on - on
2 at - at
3 in - in
4 at
5 at
6 in
7 in - in
8 at - in
9 in - at
10 in
VI
1 are - reach
2 comes
3 flies
4 have just decided - will undertake
5 would take
6 was
8 am attending - was attending
9 arrived - was waiting
10 had lived
VII
1 send - will receive
2 will - improve - do
3 will - has
4 doesn't phone - will leave
DT
Đỗ Thanh Hải
CTVVIP
25 tháng 3 2021
tờ 2
5 don't study - won't oas
VIII
1 had - would learn
2 told - would be
3 lived - would do
4 would help - knew
5 would buy - had
IX
1 went
2 were
3 wrote
4 could
5 bought
6 studied
7 went
8 would stop
9 were
10 lead
X
1 He opened the window in order to let fresh air in
2 I took my camera so that I could take some phôt
3 He studied really hard in order to get better marks
4 Jason learns Chinese to work in China
5 I've collected money in order that I will buy a new car
XI
1 A new museum has been built in the city center by the council
2The explosion had been caused by a bomb
3 Their flat was broken into last month
4 Jane won't be invited to his birthday party by him
2 tháng 8 2023
Những đồ vật trong hình trên là.
1. Fridge: tủ lạnh
2. Cupboard: tủ để bát đĩa
3. Microwave: lò vi sóng
4. Knife: con dao(bạn cho dạng số nhiều cũng được)
5. Dish: đĩa
6. Cup: cốc
7. Cooking gloves: đôi găng tây nấu ăn
8. Cooking pot: cái nồi
9. Stove: bếp
11 tháng 6 2023
1. across : băng qua
2. turn right : rẽ phải
3. turn left : rẽ trái
4.straight on : đi thẳng
5. go pass : đi qua
6. go along : đi dọc theo
7. at the corner of : tại góc
11 tháng 6 2023
thay vì nối hình thì mình ghi thứ tự nha, không hiểu thì hỏi mình nhé ^^
VT
3
Q
29 tháng 3 2022
Câu 1. Tình yêu của Trang ko được gọi là mãnh liệt, mà chỉ có thể gọi là tình yêu tuổi học trò thôi. Vì để gọi là tình yêu đích thực thì phải cần có thời gian để tìm hiểu đối phương, có khi phải mất 10 năm để đến một mối quan hệ. Bạn Trang ko nên nghĩ về việc tự vẫn, vì chuyện đó ko đáng. Tuổi của bạn vẫn nên chú tâm vào việc học thay vì yêu đương.
NN
1
1. In the first picture, the man has a big dog but In the second picture, he is has a puppy.
2. In the first picture, the clock is showing quarter past three but In the second picture , it's showing quarter to three.
3. In the first picture, the woman is go to the post office but In the second picture the woman came out of the library.
4. In the first picture, the bus is has a window but In the second picture the bus isn't has a window.
5. In the first picture, the girl is sitting on the chair but In the second picture, she is running.
6. In the first picture, the sky has a sun but In the second picture, it isn't has a sun.
7. In the first picture, the boy is thinking a bread but In the second picture, he's thinking a glass of water.
8. In the first picture, behind many houses it's a castle but In the second picture, behind many houses it's a bridge.