Giup mik voi.De bai o anh ben duoi do

(y^2n -2y^n+1) /(y^n+1 -y+2y^n -2) : (y^3n - 3y^2n + 3y^n-1)/(y+2)

IV. Rewrite the following sentences by using “in spite of/ despite” 30. Although he had a good salary, he was unhappy in his job. …………………………………………………………………………………………………………….. 31. We stayed up late, although we were tired. …………………………………………………………………………………………………………….. 32. Although she lost her way twice, she arrived safely. …………………………………………………………………………………………………………….. 33. Though Kevin was hard working, he failed the examination. …………………………………………………………………………………………………………….. 34. Although she didn't want to see The Lord of the Rings, she enjoyed it in the end. …………………………………………………………………………………………………………….. 35. They visited Madrid although they didn't have time to visit El Prado. …………………………………………………………………………………………………………….. 36. Although it was raining, we decided to go anyway. …………………………………………………………………………………………………………….. 37. Although it was only the first time they met, they made friends immediately. …………………………………………………………………………………………………………….. 38. The English actor Oliver Reed was often rude to people although he was always kind to animals. …………………………………………………………………………………………………………….. 39. Although it was raining heavily, we played the match as planned …………………………………………………………………………………………………………….. 40. Although my doctor had told me to stay in bed I went to work …………………………………………………………………………………………………………….. 41. Although he takes a lot of exercises, he’s fat. …………………………………………………………………………………………………………….. 42. Although I had practised for hours on end, my first golf ball ended up in the trees. …………………………………………………………………………………………………………….. 45. Although he had enough money, he refused to buy a new car. …………………………………………………………………………………………………………….. 46. Although the weather was bad, we enjoyed our trip. …………………………………………………………………………………………………………….. 47. John rarely sees Paul although they live in the same town. …………………………………………………………………………………………………………….. 48. Anna never learned the language although she lived there for two years. …………………………………………………………………………………………………………….. 49. I couldn't eat although I was very hungry. …………………………………………………………………………………………………………….. 50. Although she was exhausted, she continued to study. …………………………………………………………………………………………………………….. Giups em với

Ba đoạn dây thép dài bằng nhau có tổng chiều dài là 37,11m.Hỏi 5 đoạn dây thép như thế dài bao nhiêu m?

Tại tâm của dòng điện tròn gồm 100 vòng, người ta đo được cảm ứng từ B= 62,8.10^-4 T. Đường kính vòng dây là 10cm. Cường độ dòng điện chạy qua mỗi vòng là: A. 5,0 A B. 1,0 A C. 10 A D. 0,5 A giúp em giải với ạ em cảm ơn rất nhiều

Giúp mk nha! Mk thank trước, có 2 bài thôi à!Làm một bài cũng được Bài 1: Tìm các số nguyên x biết: a) -2x-(-17)=15 b) (x-5)(x+6)=0 c) 3.(x+2)-6.(x-5)=2.(5-2x) d) (-2x).(-4x)+28=100 e) 5x.(-x)²+1=6 f) 3x²+12x=0 Bài 2: Chứng minh rằng nếu (a-b-c)+(-a+b-c)=-(a-b+c) thì a=b+c

chứng minh đức tính giản dị của bác

Tìm số nguyên n ạ ! a. n + 2 chia hết cho n - 1 b. 2n +1 chia hết cho 6 - n

tính các tổng sau: a, A= 1-3+5-7+....+2001-2003+2005 b, B= 1-2-3+4+5-6-7+8+...+1993-1994 c, C= 1+2-3-4+5+6-7-7+9+....+2002-2003-2004+2005+2006

Mn giúp e làm 2 ý với àh e đg cần gấp Tìm x nhé hai ý thôi ạ Hứa vote 5*