Tính $\frac{6}{\sqrt{2}-\sqrt{3}+3}$

các nguyên tử có 5, 6, 7e ở lớp ngoài cùng thường là các nguyên tố phi kim trừ các nguyên tố nào

Làm nhanh giúp mình ạ đang cần gấp!

Bài 1: tìm x c,(x +3) ^3 - x(x-3) (x+3) = -9 d, 4(x +1 ) ^2 + ( 2x-1 ) ^2 - 8 (x-1) (x+1) =11 Bài 2: Cho a^2 - b^2 = 4c^2 . Chứng minh (5a-3b +8c) ( 5a-3b - 8c) = ( 3a- 5b) ^2

nêu cảm nhận của em về nội dung của đonạ văn sau" phải bé lại lăn vào lòng mẹ ... mảy mai nghĩ ngợi gì"

Eating the food in other countries can be (1) ______________ and strange at the same time. Sometimes you are astonished to see certain types of food which you can’t find in your own country and other times you (2) _____________ be disappointed by only having a limited choice. I’ve travelled to (3) ______________ places. I’ll never forget going to South America and all the delicious meat they had there. After eating steak for two weeks, though, I wanted a change. When my parents and I (4) ______________ to Spain we saw people cooking a huge paella in the open and the whole village joined in and ate it. My parents always made me try any kind of new food so now I will eat anything and enjoy tasting new dishes. In fact, I’m now so interested (5) ______________ food that I may take up cooking as (6) ______________ career! I spend hours preparing food at home for my friends and I’d love to have my own restaurant on the beach. 1. A. excite B. exciting C. excited D. excitement 2. A. may B. must C. are D. have 3. A. much B. a C. any D. lots of 4. A. go B. will go C. have gone D. went 5. A. in B. with C. of D. for 6. A. an B. a C. some D. any

help mình với ạ mình đang cần gấp :(((

I. Chọn đáp án đúng (15ms) 1. I have _____________ books than she does. A. little B. few C. less D. fewer 2. My mother always wants me _____________ the piano well. A. to play B. playing C. play D. to playing 3. Lan’s father’s mother is her _____________ . A. grandparents B. grandfather C. grandmother D. aunt 4. Who _____________ you English? A. teach B. does teach C. do teach D. teaches 5. Nam _____________ his exercise at the moment A. is writting B. is writing C. writes D. will write 6. How far it it ___________ here ___________ your house? A. from/ with B. from/ to C. to/ from D. by/ to 7. There isn’t _____________ milk in the box. A. some B. many C. no D.any 8. Mrs. White has a daughter. __________ name is Hoa. A. Her B. She’s C. He’s D. His 9. __________ homework do you get ? A. How many B. How long C. How much D. How often 10. I can’t speak French but my brother __________. A. can B. can’t C. does D. doesn’t 11. Sports are very good for our __________. A. healthy B. unhealthy C. health D. healthily 12. Do you enjoy __________ to the movie theater? A. going B. goes C. to go D. go 13. HCM City is one of __________ cities in Viet Nam. A. most beautiful B. the beautifulest C. beautiful D. the most beautiful 14. It takes me half _____________ hour to do this test. A. a B. an C. the D. Ө 15. If you don’t get up early, you’ll be late ___________ school. A. for B. on C. at D. to

MỌI NGƯỜI ƠI GÍUP E VS Ạ CẦN GẮP

She is very young. She can't go to school alone ->She is not............................. ->She is young Dùng cấu trúc của Enough