neu nhung chien thang tieu bieu qua cac thoi ki , Nha Ly , Nha Tran va thoi Le So theo yeu cau sau: thoi gian, lanh dao, y nghia

It only takes me about 40 minutes to get to work now that the new roadis open. It ( take) more than an hour

GTNN của M= |x-2|+|x-20| +|x-38|

so sánh (2020 -2019)/(2020+2019) và (2020^2 - 2019^2)/(2020^2 + 2019^2)

$\left \{ {{x + y = 1} \atop {m²x - 2y = 7}} \right.$ Chứng minh hpt luôn có 1 nghiệm duy nhất với mọi giá trị của m

1. Helen: “Where do you come from?” ~ Ann “________.” A. I come from London B. In London C. Yes, I’ve just come here D. I’m living in London 2. He ________in the cafe when she came. A. sat B. has sat C. has been sitting D. was sitting 3. Mr. Dung will be leaving ________Son La on Sunday. A. in B. at C. from D. for 4. “Pass me that pen, please!” ~ “________”. A. Here you are B. No, it isn’t C. Yes, please D. It doesn’t matter 5. Where is Huong? - She’s out. She said she ________back soon. A. is B. was C. came D. would be 6. Thang has applied for a ________in a new company. A. career B. work C. job D. task 7. ________you let me take a photograph of you? A. Will B. Shall C. May D. Must 8. All of us were ________that he came first. He hasn’t been working hard so far. A. surprising B. to surprise C. surprised D. to be surprised 9. I telephoned the station to make ________of the time of the train. A. sure B. true C. real D. right 10. My brother loves ________to music very much. A. to be listened B. listening C. to listen D. listened 11. He ________his grandparents every Sunday. A. has visited B. visits C. is visiting D. was visiting 12. The policeman explained to us ________to get to the airport. A. how B. how can we C. how can D. how we can 13. Several people were hurt in the accident but only one ________to hospital. A. was taken B. was taking C. has taken D. has been taking 14. He ________in London at the moment. A. studies B. is studying C. has studied D. will study 15. The college got some money by selling one of its ________old pictures. A. useful B. usual C. valuable D. helpful Giair thích giúp mình với nha

(1-1/2)(1-1/3)(1-1/4)... (1-1/99) Giải giùm em nha. Em vote 5 sao cho.

Số (-3)20+1 có thể là tích của hai số nguyên liên tiếp không? Nhớ cho mk lời giải nữa nhé

M =x^5 - 108x^4 -108x^3-108x^2-108x-1 tại x=109

Đoạn văn nghị luận về câu nói "chúng ta có thể kiếm sống bằng thứ mà ta có nhưng chúng ta sống bằng những gì chi đi như winston churchill