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8 tháng 11 2021

1B  2B  3D  4C  5B  6B  7A  8D  9A  10C  11D  12A

8 tháng 11 2021

1B

2B

3D

4C

5B

6B

7A

8D

9B

10C

11D

12A

a: \(x^3+8=\left(x+2\right)\left(x^2-2x+4\right)\)

b: \(27y^3+1=\left(3y+1\right)\left(9y^2-3y+1\right)\)

c: \(x^3-27=\left(x-3\right)\left(x^2+3x+9\right)\)

d: \(x^3-1=\left(x-1\right)\left(x^2+x+1\right)\)

e: \(8x^3+1=\left(2x+1\right)\left(4x^2-2x+1\right)\)

f: \(27x^3+64y^3=\left(3x+4y\right)\left(9x^2-12xy+16y^2\right)\)

g: \(x^3-\dfrac{1}{8}=\left(x-\dfrac{1}{2}\right)\left(x^2+\dfrac{1}{2}x+\dfrac{1}{4}\right)\)

4 tháng 9 2021

cảm ơn bạn :)

9 tháng 8 2021

1, What would he like to have for breakfast?

He would like to have a sandwich

2,Who would you like to go fishing with?

I would like to go fishing with my father

3,What would her children like to do in the summer?

They would like to go swimming

4,When would Mrs Tam like to go shopping?

She would like to go shopping at weekends

5,Where would Hung and Tung like to study

They would like to study in the library

9 tháng 8 2021

1 What would he like for breakfast? 

He'd like a sandwich

2 Who would you like to go fishing with?

I would like to go with my father

3 What would her children like to do in summer?

They would like to swim inpool

4 When would Mrs Tam like to go shopping?

She would like to go shopping on the weekends

5 Where would Tung and Hung like to study ?

THey would like to study in the school library