Cho số n, kiểm tra n: 1. Là phần tử thứ bao nhiêu của dãy fibonacy. Nếu n không có trong dãy thì in ra màn hình số 0. (n nguyên) Vd: 5 là phần tử thứ 5 trong dãy fibonacy. 15 là phần tử thứ 0 trong dãy fibonacy. 2. Mang giá trị phần tử là bao nhiêu trong dãy fibonacy với phần tử tại vị trí n. (n nguyên dương) Vd: n=5. Phần tử thứ 5 trong dãy fibonacy là 5. ACE CHUYÊN TIN ƠI GIÚP MIK NHÉ TKS

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. Câu thơ: Bóng Bác cao lồng lộng - Ấm hơn ngọn lửa hồng đã tạo ra một hình ảnh vừa tả thực vừa lãng mạn, bay bổng. ý kiến đó có đúng không? Vì sao?

Làm giúp mình đang cần gấp Sửa lỗi sai thành đúng và giải thích 1. Having worked ( for) the foreign company (for) five years, he is used (to speak ) english (with) them 2. Unless you (don't) (make) a decision at once ,it (will be) late (for) you 3. (The) man (with) (the) camera (he was) taking photographs

Hai số có tổng là 291. Biết số lớn chia số bé được 3 dư 8. Tìm số lớn. Một hình chữ nhật có chiều dài bằng $\frac{4}{3}$ chiều rộng và có diện tích bằng 972cm2. Tính chu vi hình chữ nhật đó . giúp mik 2 bài này với

Giúp iem zới các thiên tài ơiiiiiiiiiiiii

29)......... the game of chess? 30) The girls......... their lunch yet. 31) I.........my keys, so I can't open that door. (to lose) 32) Columbus.........in the New World in 1492. (to arrive) 33) Nina.........her leg. She is still in hospital. (to break) 34) He.........here all his life. (to live) 35) Colin.........for Brazil this morning. (to leave) 36) Last winter Robin.........with his father in the Alps for three days. (to stay) 37) Ellen.........with her left hand. (always/to write) 38) She.........a language course in Paris last summer. (to do) 39).........anyone.........yet? (to phone) 40) I.........Paul today, but I.........him last Sunday. 41) They.........all the new words. They needn't worry about the test. (to learn) 42) Three people.........him in hospital last Friday. (to visit) 43) Martin.........for 50 miles on scenic routes three weeks ago. (to cycle) 44) We.........chicken Tandoori before. (never/to try) 45).........a job yet? (you/to find) 46) Emily and Molly.........each other for more than 10 years now. (to know) 47) First he.........to the announcement, then he.........to a café for a drink. (to listen - to go) 48) She.........late four times this week. (to be) 49) What's that lovely smell in here? - Jasmin.........a yummy cake. (to bake) 50) The Titanic.........an iceberg in 1912 and.........within.

Exercise 2: Give the verbs in brackets in the Present Continuous tense. 1. She (not work)……………………., she (swim) …………………in the river. 2. It (get) ………………......dark. Shall I turn on the light? 3. they don't have anywhere to live at the moment. They (stay) ......................with friends until they find somewhere 4. Why are all these people here? What (happen) ....................................? 5. Where is your mother? She...........................(have) dinner in the kitchen 6. The student (not, study) …………………...in class at present. 7. Some people ( not drink) ................................coffee now. 8. At present, he (compose) ..................................a piece of music 9. We (have) .............................dinner in a restaurant right now. 10. A: I saw Brian a few day ago. B: oh, did you? (what/he/do) .............................................these days? Exercise 3: Give the verbs in brackets in the Present Simple or the Present Continuous. 1.Where _________you (live)__________? -I (live)______________in Xuan Hoa town. 2.What ________he (do) _________now? -He (water)__________flowers in his garden. 3.What __________she (do)________?-She (be)______________a teacher. 4. He always (go) _________________to school late. 5.Where _________________you (be) from? 6.At the moment , my sisters (play)_________volleyball and my brother (play)________________soccer. 7.It is 9.00, my family (watch)___________________TV. 8.In the summer, I usually (go)___________to park with my friends and in the spring. 9._____________your father (go)_____________to work by bus ? 10.How ___________your sister (go)___________to school? 11.What time _____________they (get up)_________________? 12.What ____________they (do)________________in the winter? 13.Today,we (have)______________English. 14.Her favourite subject (be)__________________English . 15.Now, my brother (eat)_________________a banana. 16.Look! A man (call)_________________you. 17.Keep silent ! I (listen )____________________to radio . 18._______________you (play)_________________badminton now? 19.Everyday,my father (get up)__________at 5.00 a.m but today ,he (get up) ________at 6.00a.m. 20.Every morning , I (watch)________________TV at 10.00 but today , I (listen ) _________________ to music. 21.Every day , I (go) __________to school by bike but today I go to school by motorbike. 22.Every morning, my father (have) ______________a cup of coffee, but today he (drink) ______________ milk. 23. At the moment, I(read)___________a book and my brother (watch)___________TV. 24.Hoa (live)________________in Hanoi , Ha (live)________________in HCM City. 25.Hung and his friend (play)_______________badminton. 26.They usually (get up)___________________at 6.oo in the morning. 27.Ha never(go)_________________fishing in the winter but she always (do) _______it in the summer. 28.My teacher (tell)__________________Hoa about Math. 29.There(be)____________________animals in the circus. 30._______________he (watch)______________TV at 7.00 every morning? 32.What _____________she (do ) _________________at 7.00 a.m? 33.How old _________she(be)? 34.My children (go)________________to school by bike. 35.We (go)_______________to supermarket to (buy)______________some food . 36.Mr.Hung (go)________________to Hanoi every month.

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Viết các số tự nhiên liên tiếp sau dưới dạng số tự nhiên liên tiếp A.12= B.1122= C.111222=