Số lớn hơn 900 mà có thể chia hết cho 3, 5, 5

2 câu trả lời

Đáp án: 1500

Giải thích các bước giải: 3*5*5^2

Đáp án: Bạn ghi đề lộn ở chỗ  là "  chia hết cho 3, 5, 5" phải là " chia hết cho 2, 3, 5"

            Số lớn hơn 900 mà có thể chia hết cho 2, 3, 5 là: 1500 , 3 000 , 4 500, 6 000 ,......

 

Giải thích các bước giải:

 

Câu hỏi trong lớp Xem thêm

7. This book (belong)........................to me.

8. My brother often (see)...................you and your sister at the supermarket.

9. Mr Brown (not teach) ...................us English last year, he (teach) …………… us Science.

10. Please quiet! The baby (sleep).............................

11. What …….. (you/ do) ……… tomorrow morning?

- We (travel) ……………. to Hue citadel.

12. Look! The train (come).............................

13. My father (have)..............................breakfast now.

14. We must (learn)................ hard to please your parents.

15. You shouldn't (smoke)......................cigarrettes.

16. We should (collect).......................spare cans and waste paper.

17. People should (eat)..................a lot of fruit and vegetables.

18. What (be)............. their jobs last year ? - They (be) ……….. students.

19. What (your parents/usually do) .............................................. in their free time?

20. Thu (not have) ........................... any apples. She (have) ....................some oranges.

21. Listen ! Someone (knock) ................................... at the door.

22. Don’t (litter) ……. rubbish on the streets.

23. Please (do) ………. your homework more carefully.

24. I (buy) ……… this pen 2 days ago.

25. What ……..(you/ do)…………. last Sunday?

- I (cook) …….. a big lunch and (watch) ……. a good film.

26. We (not be) ………. fat last year, we (be) …………. very thin.

27. They (not work) ………………. hard 2 years ago.

28. My dad (build) …………… this house in 2019.

29. I (write) ……….. Mary a letter yesterday.

30. Mai (buy) ………. a new dictionary tomorrow.

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