làm giúp mình với mình cần gấp ạ

Câu này giải cụ thể từng bước như thế nào ạ

Làm một bài thơ nói về cây hoa đào

viết 10 câu hỏi có thể trả lời yes/no/wh-qs liên quan đến 1 làng nghề truyền thống

cho biết sự khác nhau trong quan niệm nghệ thuật về con người của hai bài thơ : Lượm ( Tố Hữu) và Tuổi thơ - cánh diều ( Trần Hồng )

Bài 1 Rút gọn biểu thức a) x(2x2 – 3) – x2(5x + 1) + x2 b) 3x (x – 2) – 5x(1 – x) – 8(x2 – 3) Bài 2 Tìm x, biết a) (3x2 – x + 1)(x – 1) + x2(4 – 3x) = 5/2 b) 2x2 + 3(x – 1)(x + 1) = 5x(x + 1) Bài 3 a) Chứng minh giá trị biểu thức sau không phụ thuộc vào giá trị của biến: x(2x + 1) – x2(x + 2) + x3 – x +3 b) Cho a và b là hai số tự nhiên. Biết a chia cho 5 dư 2 và b chia cho 5 dư 3. Chứng minh rằng ab chia 5 dư 1. c) Chứng minh rằng biểu thức n(2n – 3) – 2n(n + 1) luôn chia hết cho 5 với mọi n là số nguyên GIÚP MÌNH NHA

Mn làm nhanh và làm chi tiết giúp em vs ạ . Em cảm ơnnnn

'Tôi thích cậu, cậu thích tôi Nhưng chỉ đơn giản là thích Vốn dĩ....không thể ' Calli 3 dòng trên ^^

TRẮC NGHIỆM : CONDITIONAL SENTENCES EXERCISES 1.If I ________ wings, I ________ take an airplane to fly home. A.Have/won’t have to C. have/will have to B.Had/wouldn’t have to D. had/didn’t have to 2.If we ________ serious about pollution, we ________ more money on research. A.Had been/spent B. were/had spent C. were/would spend D. are/will spend 3.What would Tom do if he ________ the truth ? A.Would know B. has know C. knows D. knew 4.If someone ________ into the store, smile and say, “May I help you ?” A. Comes B. came C. will come D. would come 5.If I weren’t working for an accounting firm, I ________ in a bank. A. Work B. will work C. have worked D. would be working 6.If the world’s tropical forests continue to disappear at their present rate, many animal species ________ extinct. A. Became B. would have become C. will become D. would become 7.________ been diverted, they would have arrived early. A. Hadn’t the plane B. Had the plane not C. The plane had not D. the plane not had 8.I won’t lend you this money ________ to pay it back. A. In case you promise C. if you promise B. If you didn’t promise D. unless you promise 9.If I had known how difficult the job was, I ________ it. A. Won’t take C. wouldn’t take B. wouldn’t have taken D. couldn’t have taken 10.Do you think there would be less conflict in the world if all people ________ the same language ? A. Speak B. will speak C. spoke D. had spoken 11.The teacher was absent today, so class was cancelled. If she ________ absent again tomorrow, class ________ tomorrow, too. A. Is/will cancel C. was/would be cancelled B. Is/will be cancelled D. was/would cancel 12.If you ________ to my advice in the first place, you ________ in this mess right now. A. Listen/won’t be C. will listened/wouldn’t be B. Listened/wouldn’t have been D. had listened/wouldn’t be Trung Tâm Ngoại Ngữ Amsterdam – Vì Một Khát Vọng Cống Hiến - 0982 473 845 ( Thầy Hải) - Page 37 13.If Alice had come sooner, he ________ dinner with us. A. Could have eaten C. was eating B. Would being eaten D. could eat 14.The world ________ a better place if we had known a hundred years ago what we know today about the earth’s environment. A. Will be B. was C. should be D. might be 15.If water is heated to 212 degrees F, ________ as steam. A. It can boil and escape C. it boils and escapes B. It is boiled and escaped D. it would boil and escape PHẦN NÂNG CAO: 1. Write new sentences with similar meanings. Begin with the word(s) given. 0 John lent me the money. Otherwise, I would have gone out of business. Ex: - Had it not been for John’s lending me the money, I would have gone out of business. 1 Return the product to the shop if you have any complaints about it. - Should ……………………………………………………………………………….. 2 There would be nowhere for them to stay if they arrived today. - Were ……………………………………………………………………………….. 3 I wouldn't have finished this book without Suzanne's help. - If it ……………………………………………………………………………….. 4 John is giving me a lift. Otherwise, I wouldn't be able to visit you. - But for ……………………………………………………………………………….. 5 Megan and I both have e-mail. Without it, it would be difficult for us to keep in touch. - Were it ………………………………………………………………………………..

Cho đường tròn (O;R) và điểm A nằm ngoài đường tròn. Qua A kẻ 2 cát tuyến ABC,ADE(B,C,D,E ∈ (O))Đường thẳng qua D và song song với BC cắt (O) tại điểm thứ hai F. Đường thẳng AF cắt (O) tại điểm thứ hai là G. Hai đường thẳng EG và AC cắt nhau tại M.Chứng minh 1/AM=1/AB+1/AC