Bằng những kiến thức đã học và hiểu biết của mình, em hãy nêu sự khác biệt về những đặc trưng cơ bản của Chủ nghĩa xã hội và tư bản chủ nghĩa?

30đ Cho phương trình x ² + 2(m-1)x +4m -11 =0 ( với m là tham số ) Tìm tất cả các giá trị của m để phương trình có 2 nghiệm phân biệt $x_{1}$ ; $x_{2}$ thỏa mãn hệ thức: 2( $x_{1}$ -1) ² + (6 - $x_{2}$ )( $x_{1}$ $x_{2}$ + 11) = 72

20. Mr Brown drank so many wine that he became sick. 21. Would you be enough kind to help me with my work? 22. It was so a funny film that I burst out laughing. 23. George is not enough intelligent to pass this exam. 24. This shirt is so small for him to wear. 25. The novel was such interesting that I had read it all night . 26. The sun is so bright for us to look at directly. 27. The boy is so young to drive that lorry. 28. I don’t think she is enough old to enjoy this story. 29. The meeting was so length that many people had to leave before it ended. 30. The weather was so cold for us to go out. 31. The car was so expensive that I didn't buy it. A. The car was too expensive for me to buy. B. The car was such expensive that I didn't buy it. C. The car was not so cheap that I couldn’t buy it. D. The car was cheap enough for me to buy. 32. The coffee is so strong that I really can’t drink it. A. It is such coffee strong that I really can’t drink it. B. The coffee is too strong for me can’t drink it. C. It is such strong coffee that I really can’t drink it. D. The coffee is too strong for me to drink it. 33. It is such a bad book that nobody reads it. A. This book is too bad that nobody reads it. B. This book is too bad for nobody to read. C. This book is so bad that nobody reads it. D. This book is so bad for anybody to read it. 34. The room was too dark for us to see anything. A. The room was so dark that we couldn’t see anything. B. It was such a dark room that we couldn’t see anything. C. The room was very dark for us to see anything. D. A & B 35. It was such a crazy story that nobody believed it. A. The story was too crazy to believe it. B. The story was too crazy to believe. C. The story was so crazy that nobody believed. D. The story was too crazy nobody believe it. 36. She danced so well that she won the prize. A. She danced well enough to win the prize. B. She didn’t dance well enough to win the prize. C. She danced too well to win the prize. D. It was such a good girl that she won the prize. 37. This song is simple enough for us to sing. A. This song is so simple that we can sing. B. This song is so simple that we can sing it. C. This song is so simple for us to sing. D. It is such a simple song that we can sing. 38. The dress is not big enough for her to wear. A. It is such a small dress that she can’t wear it. B. The dress is so small that she can’t wear it. C. The dress is too small for her to wear. D. All are correct 39. The cake was too hard for him to eat. A. The cake was so hard that for him to eat. B. It was such hard cake that he could not eat. C. The cake was so hard that he couldn’t eat it. D. The cake was so hard that he can’t eat it. 40. The bag was too heavy for him to carry. A. The bag wasn’t enough light for him to carry. B. The bag was so heavy that he couldn’t carry. C. It was such a heavy bag for him to carry. D. It was such a heavy bag that he couldn’t carry it. 41. The garden is too small to play football in. A. The garden is so small not to play football in. B. The garden is small enough to play football in. C. The garden isn’t big enough to play football in. D. The garden is such small that they can’t play football in. 42. It was such bad coffee that he couldn’t drink it. A. The coffee was not good enough for him to drink. B. The coffee was so bad that he couldn’t drink it. C. The coffee was too bad for him to drink. D. All are correct 43. He isn’t strong enough to carry this table. A. He isn’t too weak to carry this table. B. He is too strong to carry this table. C. He is too weak to carry this table. D. He isn’t enough strong to carry this table. 44. Tom is still too young to join the police. Means: A. Tom isn’t old enough that he can’t join the police. B. Tom isn’t enough old to join the police. C. Tom isn’t enough for joining the police . D. Tom isn’t old enough to join the police.

Làm giúp mình mấy câu này vs ạ. Sửa lỗi sai trong câu ạ.

bài 1 tính nhanh 16+(27-7.6)-(94.7-27.99) b)chứng tỏ rằng 2n+5/n+3(n thuộc N) là phân số tới giản linh ơi

Giúp mình với Tìm x -7:·(x-5) :· Là dấu chia hết nha

II. TỰ LUẬN : (7 Điểm) Câu 1 (3 điểm) Thực hiện các phép tính sau: (Tính nhanh nếu có thể) a/ 22.(-12) + (-12).78 b/ 15.(-40) – 20(-30) c/ 17.(3 + 25) + 72.17 Câu 2 (1 điểm) a/ Tìm tập hợp tất cả các ước nguyên của 9 b/ Tìm 3 bội của 4 Câu 3 (2 điểm) Tìm số nguyên x biết: a/ 5 + x = 12 b/ 2x – 10 = 24 Câu 4 (1 điểm) Tính tổng tất cả các số nguyên x thỏa mãn: - 25 < x < 26

một xe khách và xe tải đi từ A đến B dài 180km. Do vận tốc của xe khách nhanh hơn xe tải 10km/h vì vậy xe khách đến sớm hơn xe tải 36p. Tính vận tốc mỗi xe

Qua điểm A nằm ngoài đường tròn (O) vẽ 2 tiếp tuyến AB,AC của đường tròn (B,C là tiếp điểm ). Gọi E là trung điểm của AC ,F là giao điểm thứ 2 của EB vs (O) a) cminh A,B,O,C cùng thuộc 1 đường tròn b)tam giac CEF đồng dạng tam giác BEC c)gọi K là giao điểm thứ 2 của AF vs (O) . Cminh BF.CK=BK.CF

cho 19g hỗn hợp Na2CO3 và NaHCO3 tác dụng với HCl vừa đủ sinh ra 4,48 lít khí H2 tính khối lượng mỗi muối trong hỗ hợp ban đầu tính thành phần % theo khối lượng mỗi muối trong hỗ hợp ban đầu