Tính nhanh A=4/5+ (1/5-1/7)x2/7 Đ=1/2+5/6+11/12+19/20+...+89/90

Turn these sentences into reported speech. (2) 11.“ I will never see you again,” the boy said to the girl. → ___________________________________________________________ 12.He said to her, “You are my friend.” →___________________________________________________________ 13.Johnny said to his mother, “I don’t know how to do this axercise.” → ___________________________________________________________ 14.“We are waiting for the school bus”, said the chidren. → ___________________________________________________________ 15.Marry said, “My father died a year ago”. →___________________________________________________________ 16.John said, “I have finished studying my lesson”. →___________________________________________________________ 17.Mary said, “I can not go to the movies with you, John”. →___________________________________________________________ 18.“I shall expect to see you next Wednesday.” Mary said to her friend. →___________________________________________________________ 19. He said, “I don’t know what happened.” ________________________________________________ 20. She said, “I went to the doctor yesterday.” ________________________________________________

Giúp mik vs : cho đn mạch gồm 2 điện trở R¹ và R² mắc song song Đặt vào 2 đầu đn mạch 1 hiệu điện thế U ko đổi . Biết rằng R¹= nR² Hãy chứng minh rằng dòng điện I² qua R² lớn hơn dòng điện I¹ qua R¹ n lần

làm giùm,bài:ÔN TẬP TÌM NGHIỆM CỦA ĐA THỨC 1 BIẾN

Vẽ gấu đi đc ko bằng app hay ra giấy cx đc

giải theo thừ tự này hộ m nha câu d là a ,e là b, f là c , g là d 5sao + ctl hay nhất

Cho các đa thức: A = 4x2 + 3y2 -5xy; B = 3x2 +2y2 + 2x2y2. Tìm đa thức C thỏa mãn: a) C = A + B; b) C +A =B 6A. Cho các đa thức: A = x2 - 2y2 + xy + 1; B = x2 + y2 - x2y2 -1. Tìm đa thức C thỏa mãn: a) C = A + B; b) C + A =B.

Giúp em vs ạ em đang cần gấp cảm ơn nhiều

I. Finish each of the following sentences in such a way that it means as the same as the sentence printed before it. (2marks). 1. He could repair the broken vase. The………………………………………………………………………………………… Although he had a good salary he was unhappy in his job. 2. In spite…………………………………………………………………………………. 3. “Would you like to come round for a drink?” He said. He………………………………………………………………………………………… 4. Would you like me to call the police? I’ll call……………………………………………………………………………………. II. Give the correct part of speech for each sentence. (2marks). 1. Your __________must be typed into 3 copies to hand in for our company. (apply) 2. Well, I think that the prices in Dong Thap supermarket are _______. (reason) 3. This company offered a lot of _______ jobs. (attract) 4. The _______ of the moon for the earth causes tides. (attract) III. Read the following passage and choose the best answers by circling a, b, c or d (2marks). England is not a large country. No town in England is very far from the sea, and many English families spend their Summer holidays at the seaside. There are no high mountains in England, no very long rivers and no very large forests. There are many towns in England. No town is very far from another. The English countryside between the towns is like a carpet of many colors. In Spring and Summer, the fields, meadows and forests are light green or dark green, and the gardens are green, red, blue, yellow, and white with flowers. 1. Is England a large country? ……………………………………………………………………………………………………… 2. Where do many English families spend their Summer holidays? ……………………………………………………………………………………………………… 3. Are there high mountains, long rivers and large forests in England? ……………………………………………………………………………………………………. . . 4. What is the English countryside like? ………………………………………………………………………………………………………

nhanh ạ mọi người, hứa cho 5 sao và hay nhất