Nếu An cho Nguyên 20 viên bi thì Nguyên có nhiều hơn An 16 viên bi. Mua 3 viên bi hết 1000 đồng. Đáp số: 24 000 đồng

1. People have used the Internet all over the world. The Internet 2. We planted many trees in the school garden. Many trees 3. They have used this car for many years. This car 4. Lan practices English every day. English 5. They will take the garbage out of the city. The garbage 6. Mary sent me this letter two days ago. I 7. People make compost from vegetables. Compost 8. You must finish this work before Sunday. This work 9. She hasn t used this bicycle for a long time. This bicycle 10. I saw a strange man in my garden yesterday. A strange man 11. They clean the floor every morning. The floor 12. They will solve the problem soon. The problem 13. Someone has taken my book away. My book 14. He didn t help me with my homework. I 15. Nobody has used this room for a long time. This room ​

1. People have used the Internet all over the world.

-> The Internet ___________________________

2. We planted many trees in the school garden.

-> Many trees _________________________________

3. They have used this car for many years.

-> This car ___________________________________

4. Lan practices English every day.

-> English ____________________________________

5. They will take the garbage out of the city.

-> The garbage _____________________________

6. Mary sent me this letter two days ago.

-> I _________________________________________

7. People make compost from vegetables.

-> Compost ____________________________________

8. You must finish this work before Sunday.

-> This work _____________________________________

9. She hasn't used this bicycle for a long time.

-> This bicycle __________________________________

10. I saw a strange man in my garden yesterday.

-> A strange man _______________________________

11. They clean the floor every morning.

-> The floor ____________________________________

12. They will solve the problem soon.

-> The problem __________________________________

13. Someone has taken my book away.

-> My book ___________________________________

14. He didn't help me with my homework.

-> I __________________________________________

15. Nobody has used this room for a long time.

-> This room ___________________________________________________

Cho tích sau: 20 x21 x22 x23 x….. x28 x29 .Có số chữ số tận cùng giống nhau của tích trên là: 

A. 2                B. 1             C. 3                     D. 4                         

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