Viết chương trình nhập vào một số nguyên n. Kiểm tra xem n có phải là số chính phương hay không? (Số chính phương là bình phương của một số nguyên ví dụ như 16=4^2)? Dữ liệu vào: số nguyên dương n Dữ liệu ra: Nếu n là số chính phương thì in YES, ngược lại in NO ---- CHÚ Ý: sử dụng Python 3 để giải

I. Turn these sentences into active voice. 1.The Imperial Academy was constructed under Emperor Ly Thanh Tong. ___________________________________________________________________________ 2.The Temple of Literature was founded in 1070. ___________________________________________________________________________ 3.Khue Van pavilion is regarded as the symbol of Ha Noi. ___________________________________________________________________________ 4.Lots of souvenirs inside the Temple of Literature are sold. ___________________________________________________________________________ 5.Meals are cooked by my sister every day. ___________________________________________________________________________ 6.The floor was cleaned by my mother yesterday. ___________________________________________________________________________ 7.Ten emails are written for 2 hours by my friend every day. ___________________________________________________________________________ 8.Our house is painted by my father whenever Tet comes. ___________________________________________________________________________ 9.Groceries were bought at the supermarket by my sister yesterday. ___________________________________________________________________________ 10.A pencil is used to draw beautiful pictures by my brother. ___________________________________________________________________________ 11.All their work was finished last night. ___________________________________________________________________________ 12.Every morning, many morning exercises are done by me. ___________________________________________________________________________ 13.Trees and flowers are planted in the garden by us every summer. ___________________________________________________________________________

Nêu cấu tạo trong và di chuyển của giun đũa?muốn phòng chống giun đũa ta có biện pháp gì?Giúp mình với, cần gấp.

EXERCISE 2: Use the correct form of verbs in brackets. 1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters. 2. He sometimes (come) __________ to see his parents. 3. When I (come) __________, she (leave) __________for Dalat ten minutes ago. 4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so. 5. We just (decide) __________ that we (undertake) ____________ the job. 6. He told me that he (take) __________ a trip to California the following week. 7. I knew that this road (be) __________ too narrow. 8. Right now I (attend) __________ class. Yesterday at this time I (attend) __________class. 9. Tomorrow I'm going to leave for home. When I (arrive) __________at the airport, Mary (wait) __________ for me. 10. Margaret was born in 1950. By last year, she (live) __________on this earth for 55 years . 11. The traffic was very heavy. By the time I (get) __________to Mary's party, everyone already (arrive) __________ 12. I will graduate in June. I (see) __________ you in July. By the time I (see) __________ you , I (graduate) __________. 13. I (visit) __________ my uncle's home regularly when I (be) __________ a child. 14. That book (be) ________ on the table for weeks. You (not read) _______ it yet ? 15. David (wash) __________ his hands. He just (repair) __________ the TV set. 16. You (be) __________here before? Yes, I (spend) __________ my holidays here last year. 17. We never (meet) _________ him. We don't know what he (look) _________like. 18. The car (be) __________ ready for him by the time he (come) __________tomorrow. 19. On arriving at home I (find) __________that she just (leave) __________a few minutes before. 20. When we (arrive) __________ in London tonight, it probably (rain) __________. 21. It (rain) __________ hard. We can't do anything until it (stop) __________ 22. Last night we (watch) __________TV when the power (fail) __________. 23. That evening we (stay) __________up to talk about the town where he (live) __________for some years. 24. I (sit) __________down for a rest while the shoes (repair) __________. 25. Half way to the office Paul (turn) __________round and (go) __________back home because he (forget) __________to turn the gas off. 26. London (change) __________a lot since we first (come) _________ to live here. 27. While we (talk) __________on the phone the children (start) __________fighting and (break) __________a window 28. He used to talk to us for hours about all the interesting things he (do) __________ in his life. 29. You know she (stand) __________looking at that picture for the last twenty minutes. 30. I (spend) __________ a lot of time travelling since I (get) ________this new job. 31. When we (be) __________ at school we all (study) __________Latin. 32. When I (meet) __________ him , he (work) __________as a waiter for a year. 33. After he (finish) __________ breakfast he (sit) __________down to write some letters. 34. She (have) __________a hard life, but she's always smiling. 35. I think Jim (be) __________ out of town.

mn chỉ e với ạ, cảm ơn mn nhiều

Bài tập 2: Trong các từ ghép sau đây: tướng tá, ăn nói, đi đứng, binh lính, giang sơn, ăn uống, đất nước, quần áo, vui tươi, sửa chữa, chờ đợi, hát hò, từ nào có thể đổi trật tự giữa các tiếng ? Vì sao ? Bài tập 3: Trong các từ sau đây : giác quan, cảm tính, thiết giáp, suy nghĩ, can đảm, từ nào là từ ghép chính phụ, từ nào là từ ghép đẳng lập ? Bài tập 4: Vì sao không đổi được vị trí các tiếng trong các từ : cha con, giàu nghèo, vua tôi, thưởng phạt, vững mạnh ?

Nguyên tử của nguyên tố A có tổng số hạt cơ bản là 28. Trong hạt nhân của nguyên tử A có số hạt không mang điện nhiều hơn số hạt mang điện là 1. a) Tìm số hiệu nguyên tử và số khối của A? b) Viết kí hiệu nguyên tử của A?

C1:Tính nhân a/ 9x(x-4) b./ (9x + 1)(4x - 3) d./ (2-9x)² c./(9x - 5)(x² - 2x + 5) C2:Tìm x biết: (x - 5)(3 + 2x) = 2x² + 9 C3:Tính giá trị của các biểu thức: a./ (x2 +6x+9)+9 tại x=7 b./(x3 – 6xᒾ +12x – 8) + 2.9 tại x = 2002 C4:Chứng minh rằng: x2 – 6x + 10 > 0 với mọi x

chỉ cho mình làm bài này với đc k ạ

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