1. "Don't forget to phone the office"she told him
She reminded.
2. I'm afraid I haven't got time to listen to you
I wish.
3. The police has just released John
John
4. I couldn't hear them because they were speaking too softly
They were speaking
5. We spent five hours getting to London
It took.
6. She doesn't usually stay up so late
She's not used ..
7. If I were you I'd look for another job.
I suggest.
8. He lost his money simply because he wasn't careful
If
9. They last visited me five years ago
They haven't ..
10. All his suits were made in Paris
He ư
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sau khi chuyển thì đơn vị 1 có số người là:
(70+6):2=38(người)
sau khi chuyển thì đơn vị 2 có số người là:
70-38=32(người)
vì 2 đơn vị có số người bằng nhau nên lúc đầu mỗi đơn vị có 35 số người .
vậy mỗi đơn vị có 35 người.
a) 5 ; x+y ;2xy đồng dạng với 4xy ;a (x) = 25x + 2x2
b) -2xy
a) Ta có: \(2x^2y\cdot\left(-2.5x^3y^2z\right)\)
\(=\left(-2.5\cdot2\right)\cdot\left(x^2\cdot x^3\right)\cdot\left(y\cdot y^3\right)\cdot z\)
\(=-5x^5y^4z\)
a) Ta có: \(12x^5y^2\cdot\left(-12.5zx^2y^5z\right)\)
\(=\left(-12.5\cdot12\right)\cdot\left(x^5\cdot x^2\right)\cdot\left(y^2\cdot y^5\right)\cdot z^2\)
\(=-150x^7y^7z^2\)
a, P=-3(x^3.x)(y^2.y^3)
=-3x^4y^5
b, Thay x=-1 , y=2 vào đơn thức P . Ta có :
P=-3.(-1)^4.2^5
P=3.1.32
P=96
1. "Don't forget to phone the office"she told him
She reminded him not to forget to phone the office
2. I'm afraid I haven't got time to listen to you
I wish I had time listen to you
3. The police has just released John
John has just been released by the police
4. I couldn't hear them because they were speaking too softly
They were speaking too softly that I couldn't hear them
5. We spent five hours getting to London
It took us 5 hours toget to London
6. She doesn't usually stay up so late
She's not used ..to staying up so late
7. If I were you I'd look for another job.
I suggest that you look for another job.
8. He lost his money simply because he wasn't careful
If he had been careful, he wouldn't have lost his money simply
9. They last visited me five years ago
They haven't ..visited me for 5 years
10. All his suits were made in Paris
He had all his suits made in Paris