Kết quả tìm kiếm

Đề có sai không vậy ?

phrasal verbs là một cụm từ gồm một động từ đi với 1 giới từ ( cũng có thể đi với 2 giới từ) mang một nghĩa nhất định, không thể dịch xuôi theo từ được vì thế bắt buộc mình phải học thuộc và nhớ.

a)$ x^8 + 14x^4 + 1\\=(x^4)^2+2.x^4.7+49-48\\=(x^4+7)^2-48\\=(x^4+7+4\sqrt{3})(x^4+7-4\sqrt{3})$ b)$x^8 + 98x^4 + 1\\=(x^4)^2+2.x^4.49+49^2-2400\\=(x^4+49)^2-2400\\=(x^4+49-20\sqrt{6})(x^4+49+20\sqrt{6})$

Đạt giúp tui đi.

Ex1: Write the sentence with "WISH" 1. Lan / it / be / her birthday / today. --->lam wishes it were her birthday today. 2. Mrs. Brown / can come / her friend's party. ---->Mrs.Brown wishes she could come her friend's party. 3. He / can buy / a car. ---->he wishes he could buy a car. 4. Mary /...

1.for 2.is spoken 3.for 4.bought 5.When 6.level 7.fashion 8.so 9.used to 10.haven't eaten 11.capital 12.by

1. He/ speak English/ fluently than Peter ----->He speaks English more fluently than Peter. 2. We speak Vietnamese/ worst/ all ----->We speak Vietnamese the worst of all. 3. You/better not/ swimming because/ look sick ----->You had better not go swimming because you look sick. 4. Sports /...

Phần tự luận 1. village 2.population 3.clean 4.cinemas. Answer the questions 1.The writer lives in a small village called Handfield. 2.Because there is not much heavy traffic. 3.Yes, they do.

Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father was an expert in phonetics, the study of the sounds of languages. As a boy, Bell became interested in sounds and speech. In 1870 the Bells decided to emigrate to America. They lived in Boston, where Alexander taught in a...

7. I was annoyed at his ______refusal____ to co-operate. (REFUSE) 8. He was very _______upset_____ when his cat was run over. (SET) 9. He lost in the election because he was a weak and ___indecisive___ leader. (DECIDE) 10. I travelled to Scotland on the __night___ train and slept all the way...

Ban đêm cây hút nước, nước được chuyển theo mạch gỗ lên lá và thoát ra ngoài. Nhưng qua những đêm ẩm ước, độ ẩm tương đối của không khí quá cao, bão hoà hơi nước, không thể hình thành hơi nước để thoát vào không khí như ban ngày, do đó nước ứ qua mạch gỗ ở tận các đầu cuối của lá, nơi có khí...

There ....... a sink, a tub and a shower in the bathroom ( has/ have/ is/ are ) ---->is

2. working hours là số nhiều nên phải dùng "they''

1. Because the lift was ________ , we had to use stairs to reach the fifth floor A . out of order B . in order C . operated D . run out of 2. Vietnam's rice export this year will decrease _____ about 10 % compared with that of last year A . with B . at C . by D . on decrease/increase by +...

1 . There are differences and similarities between Vietnamese and Japanese culture. ---> cultures 2 . Working hours will fall to under 40 hours a week , won't it ? ---->they