V. Tìm lỗi sai trong câu và sửa lại cho đúng với thì hiện tại tiếp diễn.
1. We are listen to music in the car right now.
2. They not studying for the exam at the moment.
3. He is playing volleyball with his friends in the park.
4. Is you watching TV now.
5. The students are attend the class today.
6. Are he play video games at the moment?
7. He read a book in his room this evening.
8. She not listen to the teacher in the classroom.
9. My aunt have been buying some fruits at the flea market.
10. I did not drinking beer; it's only tea.
11. All of Andy's friends having fun at the party right now.
12. The children play football in the back yard at the moment.
13. Look! Those people are fight with each other.
14. Look! Someone is jump from the bridge.
15. My English speaking skill improving thanks to Elsa Speak.
16. My mother is busy today. She is cook dinner.
17. What kind of clothes are children wear nowadays?
18. They are try to pass the examination.
K
Khách
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GN
GV Nguyễn Trần Thành Đạt
Giáo viên
4 tháng 11 2023
0,25m2= 25dm2= 2500cm2
1,075m2= 107,5dm2= 10 750cm2 khác 1075cm2 (Ý 2 sai)
4,3m2= 430dm2= 43 000cm2 (Ý 3 đúng)
GN
GV Nguyễn Trần Thành Đạt
Giáo viên
4 tháng 11 2023
Lượng dầu có: 20 x 60 = 1200(lít)
Lượng dầu đó đựng thùng loại 30 lít thì cần: 1200:30 = 40 (thùng)
Đ.số: 40 thùng
BT
Bùi Thị Thùy
VIP
9 tháng 11 2023
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AH
Akai Haruma
Giáo viên
4 tháng 11 2023
Lời giải:
$a=1+5+5^2+5^3+...+5^{2022}+5^{2023}$
$5a=5+5^2+5^3+5^4+....+5^{2023}+5^{2024}$
$\Rightarrow 5a-a=5^{2024}-1$
$\Rightarrow 4a=5^{2024}-1$
$\Rightarrow 4a+1=5^{2024}\vdots 5^{2023}$ (đpcm)
DN
1
NM
2
Bạn nên chia nhỏ nhóm 5, 6 câu 1 lần nhé
V. Tìm lỗi sai trong câu và sửa lại cho đúng với thì hiện tại tiếp diễn.
1. We are listen=> listening to music in the car right now.
2. They not => are not studying for the exam at the moment.
3. He is playing volleyball with his friends in the park.
4. Is => are you watching TV now.
5. The students are attend=> attending the class today.
6. Are he play=> is he playing video games at the moment?
7. He read=> is reading a book in his room this evening.
8. She not => doesn't listen to the teacher in the classroom.
9. My aunt have => has been buying some fruits at the flea market.
10. I did not drinking=> drink beer; it's only tea.
11. All of Andy's friends having => are having fun at the party right now.
12. The children play => are playing football in the back yard at the moment.
13. Look! Those people are fight => fighting with each other.
14. Look! Someone is jump => jumping from the bridge.
15. My English speaking skill improving=> has improved thanks to Elsa Speak.
16. My mother is busy today. She is cook=> cooking dinner.
17. What kind of clothes are children wear => wearing nowadays?
18. They are try => tryingto pass the examination.