tìm giá trị lớn nhất của 1 /(x^2 - x + 1)

Mn giúp em mấy bài này nha em cảm ơn ạ😊❤️❤️

Vẽ chibi buồn bã nha mn ( tradi nhé) Ai vẽ đẹp hơn e cho ctlhn

Cho tập hợp A = {a,b} viết tất cả các tập hợp con của A

I. Find the one choce that best completes the sentence. 1, Last night I came home cooked dinner and .......... TV. a. watch b. watched c. was wasching d. would watch 2, I rarely eat ice cream now but I .......... it when I was a child. a. eat b. used to eat c. would eat d. didn't use to eat 3, I wish I ........... you some money foryour rent, but I'm broke myself. a. can lend b. would lend c. could lend d. came 4, Rick left class early because he .......... a headache. a. had b. used to have c. was having d. has

mọi người tả giúp e con chó này ah (mong ad ko xoá)

Vẽ chân dung 1 người bạn muốn vẽ

Tính nhanh :20192019*2018-20182018*2019

Cho tam giác ABC vuông tại A. Biết AB/AC = 5/7, đường cao AH= 15cm. Tính HB, HC.

Điền câu hỏi đuôi. 1. Everything is ok,....... 2. They had to come home,....... 3. The quality these recordings is very good,.... 4. Everything is all right now ,.... 5. Ba complained about the noise,........ 6. That job is hardly suitable for her,...... 7.But I guess he can always rent some,..... 8. You have lived in Hollywood for many years,..... 9. No one died in the accident,....... 10, That depends on what you mean by a long time,.......