cho x-y=2 tìm GTNN của đa thức Q= $x^{2}$ + $y^{2}$ - xy

chỉ cần tìm điều kiện xác định thôi ạ

giúp mik vs Ex5. Read the passage and answer the questions I’m Nam. As a student, I am very busy with my studies. Although l am very interested in watching television, l can only spend an hour after dinner on my hobby. Of all the TV programs, I like the news and documentaries best. The news programs shown on all TV channels at 7:00 p.m. help me to know almost everything about different places in our country and important events happening all over the world. Through these programs, l can also know about the main national and international sporting events. Watching television is my hobby. I cannot imagine a day in my life without watching it. 1. What does Nam do? ------------------------------------------------------------------------------------ 2. What is Nam’s hobby? ------------------------------------------------------------------------------------ 3. What programs does he like best? ------------------------------------------------------------------------------------ 4. How much time does he spend on his hobby? ------------------------------------------------------------------------------------

vẽ đậu ạ NL : Ai cần mình đặt đậu không ạ ?

Giải những bài này giúp mình! a. /x/+x b./x/-x c.3.(x-1)-2./x-3/

giúp mik vs ạ Ex4. Rewrite the sentences so that they have the same meaning as the original ones. 1. We will use renewable energy in the future. Renewable energy 2. This is our school. This school is 3. What is the distance between Ho Chi Minh and Hanoi city? How 4. I often walked to school when I was a student. I used 5. Although they are short, they still love playing basketball. In spite of 6. They will use solar energy to protect the environment. Solar energy 7. Although she eats lots of food, she is still very slim. In spite of 8. What is the distance between Hanoi and Da Nang city? How far 9. I find French interesting. I am 10. Our roof will be fixed tomorrow. They 11. The café has a lot of tables. There 12. Theatre programmes usually have lots of information. There is 13. London has more than thirty theaters. There are 14. The garden has a swimming pool. There 15. The system has both private and state schools. There 16. I accomplished this task in three months. It took 17. Jane spent three hours a week sorting out stamps. Sorting out her stamps 18. The pictures that are taken will have to travel for three minutes before they reach the earth. The pictures will take 19. She wrote the letter in thirty minutes. It took 20. John finished his essay in two hours. It took

Bạn nào có thể làm 1 bài cho mình đủ tin tưởng

Cali digi ‘’Bác Quân Nhất Tiêu là thật đó’’ Y/cầu: -nền vàng, chữ đỏ & xanh lá - trang trí rùa, thỏ, sư tử, chanh, tôm... các thứ thỳ càng tốt - vẽ có tâm, xấu=(tự hiểu nha), đẹp=ctlhn NL: có bn rùa nào quanh đây hong???

Mik cần gấp xin mn giúp e vs :((

Giải giúp mình câu D. Mình cảm ơn nhiều Đề là xác định tập hợp bằng cách liệt kê. Dấu ^ ở dưới nghĩa là “và”