Bài 3 nha hình như mình bị lỗi
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=\(\left(3\sqrt{3}-3\sqrt{3}+2\sqrt{6}\right):3\sqrt{3}\)
\(=1-\dfrac{\sqrt{6}}{2}+\dfrac{2\sqrt{2}}{3}\)
=\(\dfrac{6}{6}-\dfrac{3\sqrt{6}}{6}+\dfrac{4\sqrt{2}}{6}\)
=\(\dfrac{6+\sqrt{6}}{6}\)
mik cha khac cac ban dau
hinh nhu ai cung bi vay day
olympic zom qua
Hom nay minh cung bi the,phai lam lai tu vong1 ma van bi loi
ta co hien tuong trong binh nuoc co thuc vat thuy sinh dang phat trien. neu thay doi do chieu sang cua den ,thuy sinh do se khong the lon len va phat trien
.Ta thấy hiện tượng cây thủy sinh nhả khí. Nếu thay đổi độ chiếu sáng của đèn. Thủy sinh sẽ không thể lớn lên và phát triển
e rất mún giúp chị nhưng e mới lớp 6 à , tiếc quá !! e hỉu giờ chị như thế naò mà !! mong là sẽ có ai giúp chị !! chị đừng lo nhé !!
có 2 khả năng:
1 là olm lỗi
Còn 2 là có thể bn đang bị ảo tưởng sức mạnh :))
III.
1. B
2. B
3. B
4. C
5. C
6. C
7. A
8. C
9. D
10. C
11. A
12. D
VII.
1. went
2. to tell
3. eat
4. will be
5. going
6. allows
7. watching
8. did you do
9. to finish
10. don't have to get
11. taught
12. spend/ playing
13. got
14. didn't go
15. built
16. Did you meet
17. to fly
18. did you do / went
19. bought
20. be/ be
21. to socialize
22. to read
23. to see
VIII.
1. You ought not to watch TV too late.
2. My sister prefers walking to cycling.
3. They enjoy traveling to Nha Trang on their vacation.
4. How about seeing a detective film ?
5. Ba plays basketball skillfully.
6. Do you like milk for breakfast ?
7. I don't like durians.
8. Would you like to collect stamps?
9. Lan invites me to have diner with her.
10. I don't have to do my homework today.
11. How heavy are you ?
12. His brother is safe cycler.
13. My father drives carefully.
14. What is matter with her ?
15. How tall are you ?
16. What is wrong with him ?
IX.
1. cavity
2. would
3. so
4. should
5. How heavy
6. much
7. Why
8. fluently
9. in
10. much
11. did
12. either
13. badly
14. to go
15. before
16. to
17. Would you like to
18. films
19. spends
20. five-minute
XI.
1. B
2. A
3. C
4. D
5. A
6. C
7. C
9.D
10. C
XII.
1. A
2. C
3. A
4. D
5.B
XIII.
1. What's this table's weight ?
2. What's your father's height ?
3. What was Alice's height last time ?
4. What was your weight last month ?
5. What's the wall's height ?
XIV.
1. can too
2. didn't either
3. will too
4. aren't either
5. So did
6. Neither can
7. So do
8. So are
9. Neither did
10. don't either
XV.
1. Some of them planted fruit tree and vegetables.
2. The children shouldn't often go to amusement center.
3. Video games can be addictive.
4. Teenagers around the world like television most.
5. Children should brush their teeth after meals.
đề dài thì e tách từng phần ra, đăng lên đây và các bạn sẽ giúp e nhé
Mng mình cần gấp giúp mình🤧
Bài 2:
\(\Leftrightarrow\left|x-1\right|=3\)
\(\Leftrightarrow\left[{}\begin{matrix}x=4\\x=-2\end{matrix}\right.\)