căn bậc hai(x-căn bậc hai(2 *x-1)) + căn bậc hai(x+3 -4 *căn bậc hai(x-1))= 1 bai dưới anh nha

giúp mình nha. Càng nhanh càng tốt

ĐỀ : Đóng vai a đội viên trong " ĐÊm nay bác ko ngủ"" kể lại lần thứ ba thức dậy ( dàn bài ) Trung bình thôi ko cần dài. *làm giống kiểu của Rinlukatk9 : https://hoidap247.com/cau-hoi/2279663 *Viết luôn cả mở bài và kết bài nhé ( mb và kb viết văn nhé )

V.Rewrite these sentences, using an “if” construction. Ex: I will go there. I will buy you a dog. →If I go there, I will buy you a dog. 1. He smokes so much, perhaps that’s why he can’t get rid of his cough, → 2. She is very shy, that’s why she doesn’t enjoy parties. → 3. I haven’t the right change so we can’t get tickets from the machine. → 4. They speak French to her, not English, so her English doesn’t improve. → 5. He doesn’t work overtime, so he doesn’t earn as much as I do.

Chuyển sang câu bị đông 6. Have Thanh Quan and Kanh locked the door yet? 7. Must Tu Linh take some medicine right now?

Nhan sắc của tiên sinh Zhongli luôn đỉnh cao như vậy a . Mãi không đưa được tiên sinh về nhà Vẽ anime khóc lóc các thứ (`^´o)=3

Rút gọn biểu thức câu F, G, N please

Phần I.Đọc đoạn văn sau và thực hiện yêu cầu bên dưới: “Hàng ngày có vô số trẻ em khắp nơi trên thế giới bị phó mặc cho những hiểm hoạ làm kìm hãm sự tăng trưởng và phát triển của các cháu đó. Chúng phải chịu bao nhiêu nỗi bất hạnh do bị trở thành nạn nhân của chiến tranh và bạo lực, của nạn phân biệt chủng tộc, chế độ a-pác-thai, của sự xâm lược, chiếm đóng và thôn tính của nước ngoài. Có những cháu trở thành người tị nạn, sống tha hương do bị cưỡng bức phải từ bỏ gia đình, cội rễ. Có những cháu khác lại chịu cảnh tàn tật hoặc trở thành nạn nhân của sự lãng quên, ruồng bỏ, đối xử tàn nhẫn và bóc lột.” (Ngữ văn 9, tập 1 -NXB Giáo dục Việt Nam, 2018) 1.Đoạn văn trên trích từ văn bản nào? Câu văn nào nêu nội dung chính của đoạn văn? 2.Qua bản văn bản chứa đoạn trích trên, em nhận thức như thế nào về tầm quan trọng của vấn đề bảo vệ, chăm sóc trẻ em, về sự quan tâm của cộng đồng quốc tế đối với vấn đềnày? 3.Theo em, vấn đề nào liên quan đến quyền trẻ em ở Việt Nam đang khiến mọi người lo ngại nhất? Vì sao? Trình bày suy nghĩ của em về vấn đề đó bằng một đoạn văn khoảng 10 -15câu.

Exercise 2: Chọn phương án đúng 1. George wouldn't havemetMary to his brother's graduation party. A. if he hasnot gone B. had not he gone C. had he not gone D. if he shouldn't havegone 2. ten minutes earlier, you would have got a betterseat. A. Wereyouarrived B. If you arrived C. If you hadn't arrived D. Had youarrived 3. Ifshe a car, she would go out in theevening. A.have B„ has C. has had D.had 4. Without yourhelp, I the technical problem with my computer the otherday. A.can'tsolve B. couldn't have solved C.Couldn'tsolve D. Weren'tsolved 5. The joke would not be funnyif it into French. A. has been translated B.betranslated C. was be translated D. weretranslated 6. We on the beach now if we hadn't missed theplane A. mighthavelain B.wouldlie C. could belying D. would havelain 7. I think you should stopsmoking. A. If I am you, I willstopsmoking. B. If I had been you, I would stopsmoking, C. If I were you, I wouldstopsmoking. D. If I were you, I will stopsmoking. 8. If he had been more careful,he A.won'tfall B.wouldn'tfall C. wouldn'thavefallen D. would haven'tfallen 9. His health would beimproved A. if he continued tosmokeheavily B. unless he stopped smokingheavily C. if he gaveupsmoking D. if only he doesn't smoke anymore. 10. He was driving very fast because he didn't know the road wasicy. A. If he knew the road was icy, he wouldn't drive sofast. B. He hadn't been driving very fast if he would have known the road wasicy. C. If he had known the road was icy, he wouldn't have been driving sofast. D. He wasn't driving very fast if he would know the road wasicy. 11. I didn’t know that you were at home. I didn't visityou. A. If I knew that you were at home, I would visityou. B. If I had known that you were at home, I would have visitedyou. C. If I knew that you had been at home, I would have visitedyou. D. If I would know that you were at home, I visitedyou. 12. IfNamhadpassedtheGCSEexamination,he to take the entrance examination to the university. A. would havebeenallowed B. would haveallowed C. willhaveallowed D. wouldallow 13. If it had not rained last night, the roads inthe city so slipperynow. A. wouldnotbe B. must not be C. could nothave been D. would not havebeen 14. She helped us a lot with our project. We couldn't continue withouther. A. Unless we had her contribution, we could continue with theproject. B. But for her contribution, we could have continued with theproject. C. If she hadn't contributed positively, we couldn't have continued with theproject. D. Provided her contribution wouldn't come, we couldn't continue with theproject. 15. What noisy neighbors you've got! Ifmyneighbors as bad as yours, I crazy. A. are;willgo B. were; wouldgo C. had been; wouldhave gone D. are; wouldgo 16. If he the lesson yesterday, he could do the test bettertoday. A.has reviewed B. hadreviewed C.willreview D.reviewed 17. If I hadn't had so much work to do, I would have gone to themovies. A. I never go to the movies if 1 had work todo. B. Because I had to do so much work, I couldn't go to themovies. C. I would go to the movies when I had done so muchwork. D. A lot of work couldn't prevent me from going to themovies. 18. Unlessyou well-trained,you to the company. A. aren't; will neverbeadmitted B. aren't; will never admit C. are; will neverbe admitted D. are; will neveradmit 19. If the prisoners attempt to escapefromprison, immediately. A. they willhavecaught B. they will catch C. they willbe caught D. they would becaught 20. If it warm yesterday, we would have gone to thebeach. A.was B.were C. had been D. couldbe.

B1: C/ m giá trị của bthuc sau đây ko phụ thuộc vào biến : ( x-$1)^{3}$ - ( x-1) ($x^{2}$ +x+1)-3(1-x)x B2: Tìm x, biết (x-$1^{2}$)+(2x+$3)^{2}$ - 5 ( x+2)(x-2)=0