1. books

2. windows

3. pens

4. houses

5. boxes

6. classes

7. lamps

8. wives

9. family có thể là số ít hoặc số nhiều

10. doctors

11. people

12. radios

1. a book  -> books

2.a window -> windows

3.a pen -> pens

4. a house -> houses

5.a box -> boxes

6. a class -> classes

7.a lamp -> lamps

8. a wife -> wives

9.a family -> familys

10.a doctor -> doctors

11. a person -> people

12. a radio -> radios
Chúc bạn học tốt !

1. a book  => books

2.a window => windows

3.a pen => pens

4. a house => houses

5.a box => boxes

6. a class => classes

7.a lamp => lamps

8. a wife => wifes

9.a family => families

10.a doctor => doctors

11. a person => people

12. a radio = radioes

giúp mikkkkkkk

1. A child ......children.................                        2. A tooth ...........teeth............
3. A man ........men...............                        4. A fish .........fishes..............
5. A box ....boxes...................                         6. A deer .........deers..............
7. A leaf ..........leaves.............                         8. A woman ....women...................
9. A watch .........watches..............                     10. An ox ..........oxes.............
11. A potato ...........potatoes............                   12. A goose .......gooses................
13. A glass ...........glasses............                     14. A mouse .....mouses..................
15. A quiz ........quizzes...............                       16. A foot .....footsteps..................
17. A book ..........books.............                      18. A roof ........roofs...............
19. A radio .....radios..................                      20. A reindeer .....reindeers..................
21. A photo .......photos................                     22. A baby ..........babies.............
23. A police man...police men....................              24. A toy ......toys.................
25. A bike ............bikes...........                        26. A teacher .......teachers................
27. A duck .......................                       28. A pupil ...........pupils............
29. A dish .......................                        30. A tomato ......tomatoes.................

1. A child ........children...............                        2. A tooth ..teeth................
3. A man ..men.....................                        4. A fish ........fishes...............
5. A box ....boxes...................                         6. A deer ....deers................
7. A leaf ......leaves............                      8. A woman.women..................
9. A watch ........watches...............                   10. An ox ... oxes...................
11. A potato ........potatoes...............            12. A goose.. geese................

13. A glass ........glasses...............           14. A mouse .....mice................
15. A quiz .........quizzes..............            16. A foot .......feet................
17. A book ......books.................           18. A roof .......roofs................
19. A radio ........radios...............      20. A reindeer .....reindeers................
21. A photo ......photos.................           22. A baby ....babies...................
23. A police man.....policemen................     24. A toy .......toys................

25. A bike .........bikes..............          26. A teacher .........teachers..............
27. A duck ........ducks...............        28. A pupil .....people..................
29. A dish .......dishes................         30. A tomato .........tomatoes............

1 . a book - books

2 . a pen - pens

3 . a class - classes

4 . a classroom - classrooms

5 . a country - countries

6 . a key - keys

7 . a box - boxes

8 . a pencil - pencils

9 . an eraser - erasers

10 . a day - days

ủng hộ nhé~~

1. a book - books

2. a pen - pens

3. a class - classes

4. a classroom - classrooms

5. a country - countries

6. a key - keys

7. a box - boxes

8. a pencil - pencils

9. an  eraser - erasers

10. a day - days

1. books

2. pens

3. classes

4. classrooms

5. countries

6. keys

7. boxes

8. pencils

9. erasers

10. days

a: \(A=8^2\cdot32^4=2^6\cdot2^{20}=2^{26}\)

b: \(B=27^3\cdot9^4\cdot243=3^9\cdot3^8\cdot3^5=3^{22}\)

a)  A=\(5^2\cdot5^6=5^8\)

 b)  B=

1) there are lamps on the table

2)  ko đổi vì đó là một người nói nghề nghiệp

a: \(A=\left(2^3\right)^2\cdot\left(2^5\right)^4=2^6\cdot2^{20}=2^{26}\)

b: \(=\left(3^3\right)^3\cdot\left(3^2\right)^4\cdot3^5=3^9\cdot3^8\cdot3^5=3^{22}\)

\(A=8^2.32^4=\left(2^3\right)^2.\left(2^5\right)^4=2^6.2^{20}=2^{26}\)

\(B=27^3.9^4.243=\left(3^3\right)^3.\left(3^2\right)^4.3^5=3^9.3^8.3^5=3^{22}\)