Viết dạng số nhiều của các từ sau đây:
1. a book
2.a window
3.a pen
4. a house
5.a box
6. a class
7.a lamp
8. a wife
9.a family
10.a doctor
11. a person
12. a radio
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1.books 2. windows 3.pens
4.houses 5. boxes 6.classes
7.lamps 8.wives 9.families
10.doctors 11.people 12. radios
1.books
2.windows
3.pens
4.houses
5.boxes
6.classes
7.lamps
8.wives
9.families
10.doctors
11.people
12.radios
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 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
a: \(A=8^2\cdot32^4=2^6\cdot2^{20}=2^{26}\)
b: \(B=27^3\cdot9^4\cdot243=3^9\cdot3^8\cdot3^5=3^{22}\)
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: \(=\left(3^3\right)^3\cdot\left(3^2\right)^4\cdot3^5=3^9\cdot3^8\cdot3^5=3^{22}\)
\(A=8^2.32^4=\left(2^3\right)^2.\left(2^5\right)^4=2^6.2^{20}=2^{26}\)
\(B=27^3.9^4.243=\left(3^3\right)^3.\left(3^2\right)^4.3^5=3^9.3^8.3^5=3^{22}\)
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 !