CMR :\(\left(2+1\right).\left(2^2+1\right)\left(2^4+1\right)\left(2^8+1\right)\left(2^{16}+1\right)=2^{32}-1\)

Tìm N(2017) biết đa thức N(x)=\(x^{2017}-2018.x^{2016}+2018.x^{2015}-2018.x^{2014}+........-2018.x^2+2018.x-1\)

Chọn dạng đúng của từ trong ngoặc:

1. Steel is very .useful... for building ( use)

2. She knows all the people in her .neighborhood... ( neighbor)

3. Lan and Hoa go to the public library.regularly... very Sunday evening.(regular)

4. He had an accident although he drove..carelessly.. ( care)

5. Playing video games is on kind of..amusement.. (amuse)

6. The children are always.noisy...(noise)

7. When being a child, she received a good.education...(educate)

8. What a ..boring.. party!( bore)

1. There is .................... fuit juice in the bottle. (some / any / a / an)

2. She is thirsty. She'd like .................... drink. (any / a / an / some)

3. Would you like .................... chicken? (a / an / some / any)

4. Are they going to see .................... in Ha Noi. (Cham museum / the citadel / Ngoc Son Temple / Huong Pagoda)

5. We .................... dinner at home every day. (Has / have / are having / is having)

6. .................... you going to visit Hue this Summer? (Do / Does / Are / Is)

7. There is .................... water in the bottle (some / any / a / an)