giúp mk phần tự luận với mk hết điểm rồi

Trình bày đặc điểm chung của lứp sâu bọ ? Đặc điểm nào khác với lớp giáp xác và hình nhện

So sánh sự khác nhau về sự ra đời của Nhà nước Văn Lang và Âu Lạc

tìm x 160 : x + 240 : x +320 :x = 36

Cho hỗn hợp X gồm CH2=CHCOOOH, CH3COOCH=CH2 và CH2=C(CH3)COOCH2. đốt cháy hoàn toàn 4,02g X hấp thụ hoàn toàn sản phẩm cháy vào dung dịch Ba(OH)2 dư thu được 35,46g kết tủa. khối lượng dung dịch sau phản ứng là

mn giúp mk bài 12 vs ạ thak mn ạ

Công lao của Ngô Quyền, Đinh Bộ Lĩnh và Lê Hoàn đối với đất nước. Giúp mik vs, làm ngắn gọn nha

Tuyển thành viên cho nhóm Mathematical Society yêu cầu hôm nay onl làm đoàn kết,các ngày còn lại 1 viên Viết thì QKĐ;HTĐ;QKTD

Tính giá trị biểu thức: ` P = \frac{x - y}{x + y} ` biết: ` x^2 - 2y^2 = xy ` (với ` x + y ne 0 ; y ne 0 `)

letter A. 5 wer shee the following questions Question 1l: The law should not be concemed A. in solely economic factor D. to B. on Question 12: She began to e rass asking from where he got the coins. D. make C. with A do B. take C. get Question 13: On Sundays, we usually_ the shopping and clean the house A. go D. offer C. make the level of formality required at any social B. do Question 14: It is important to be aware function A. in D. with C. of in the first phase of the project. B. about Question 15: This autumn, 200 students will A. participate Question 16: He glanced D. accеpt B. take C. consist his watch and realized that it would be dark before he reached Ho Chi Minh City. A for B. to C. on D. at Question 17: My sister believes that what she does on the first day of the year will her luck during the whole year. A. exchange Question 18: In 1911. Marie Curie was B. result C. influence D. provide a second Nobel Prize in Chemistry for her discovery of the elements polonium and radium. A. awarded B. received C. decided D. announced Question 19: He worked hard so that he could earn enough money to his large family. A. continue B. complete C. increase D. support Question 20: If the teacher more clearly, we could get what he meant. A. would explain B. had explained C. explaincd D. explains Question 21: You life much easier if you smile more often. A. would find B. find C. will find D. have found Question 22: I don't mind the fence. I've got plenty of free time. A. repaint B. to repaint C. repainting D. repaints the pudding to the dinner at my house. Question 23: She agreed A. to bring B. bring C. bringing D. brought Question 24: While I along the street I saw my best friend. A. was cycling В. суcled C. had cycled D. cycles Question 25: Mr. John allowed his children with friends on Sundays. A. to go B. go C. going D. went