giữ nguyên nhé

Is Lan getting on well eryone?

1. My brother hasn't seen his best friend for nearly five years.

=> It's five years since my brother last met his best friend.

2. When did you start learning English?

=> How long have you studied English?

3. Minh began to collect stamps in 2000.

=> Minh has begun to collect stamps since 2000.

Hok tốt

3.k là nguyên tố.

nếu k > 1 thì 3.k chia hết cho 3 nên là hợp số

3 là số nguyên tố => k=1 

==' No, I can't Ahihi mik chỉ đùa thoy mak =)))

A= \(\sqrt{6+\sqrt{24}+\sqrt{8}+\sqrt{12}}-\sqrt{5+2\sqrt{6}}\)

B= \(\sqrt{12+\sqrt{60}+\sqrt{48}+\sqrt{80}}-\sqrt{8+2\sqrt{15}}\)

C= \(\sqrt{39+12\sqrt{10}+6\sqrt{2}+4\sqrt{5}}-\sqrt{38+12\sqrt{10}}\)

Bill was working in the garden when we arrived.

Hok tốt

Xinh nhắm =)))

Cho xin tick nhae :)

1. D

2. C

3. D

4. B

5. A

6. A

7. A

8. C

Hok tốt nhae