Giải giúp mik vs ạ 
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Khách
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Những câu hỏi liên quan
PT
giúp mik với ạ mik cần gấp. GIẢI CỤ THỂ GIÚP MIK vs ạ
2
DT
0
AD
0
NL
2
NV
Nguyễn Việt Lâm
Giáo viên
6 tháng 1 2022
\(3x\left(x-y\right)+x-y\)
\(=3x\left(x-y\right)+1\left(x-y\right)\)
\(=\left(x-y\right)\left(3x+1\right)\)
DT
Đỗ Thanh Hải
CTVVIP
5 tháng 7 2021
1 are
2 am
3 is
4 are
5 are
6 are
7 is
8 is
9 is
10 are
IV
1 is writing
2 are losing
3 is having
4 is staying
5 am not lying
6 is always using
7 are having
8 Are you playing
9 are not touching
10 Is - listening
11 Is- winning
12 am not staying
13 is not working
14 is not reading
15 isn't raining
16 am not listening
17 Are they making
18 Are you doing
19 Is - sitting
20 is - doing
21 are-putting
22 are-wearing
23 is-studying
5 tháng 7 2021
2, am
3, is
4,are
5,are
6,are
7,is
8,is
9,is
10,are
IV
1,2,7 OK
3,is having
4,has stayed
5,am not lying
6,always uses
8,Are-playing
9,not to touch
10,Is-listening
11,Are-winning
12,am not staying
13,isn't working
14,isn't reading
15,isn't raining
16,am not listening
17,Are-making
18,Are-doing
19,Is-sitting
20,is-doing
21,do-putting
22,do-wear
23,is-studying
17 tháng 4 2022
\(\left|2x-3\right|=3-2x\)
\(ĐK:x\le\dfrac{3}{2}\)
\(\Leftrightarrow\left[{}\begin{matrix}2x-3=3-2x\\3-2x=3-2x\end{matrix}\right.\)
\(\Leftrightarrow\left[{}\begin{matrix}x=\dfrac{3}{2}\\0=0\left(đúng\right)\end{matrix}\right.\)
Vậy \(S=\left\{x\in R;x=\dfrac{3}{2}\right\}\)
DT
Đỗ Thanh Hải
CTVVIP
2 tháng 7 2021
2 do
3 usually buy
4 press
5 enjoy
6 has
7 goes
8 gets
9 eat
10 doesn't study
11 doesn't eat
12 doesn't water
13 don't go
14 doesn't eat - is
15 Do - go
16 Do - agree
17 Do you have
18 Do you often eat
19 Does - start
20 does he come
21 does - work
22 does
23 does - do
24 does- go
14 tháng 5 2022
My grandma often works in the garden in her free time.
What are you doing with the stove?
Khoảng cách từ ảnh đến thấu kính:
\(\dfrac{1}{f}=\dfrac{1}{d}+\dfrac{1}{d'}\Rightarrow\dfrac{1}{10}=\dfrac{1}{30}+\dfrac{1}{d'}\)
\(\Rightarrow d'=15cm\)
Chiều cao ảnh:
\(\dfrac{h}{h'}=\dfrac{d}{d'}\Rightarrow\dfrac{2}{h'}=\dfrac{30}{15}\Rightarrow h'=1cm\)