Cuối học kì I , khối 6 của một trường có 540 học sinh gồm ba loại : giỏi,khá,trung bình . Trong đó , số học sinh trung bình chiếm 5/18 số học sinh cả khối . a) Tính tổng số học sinh khá và giỏi b)Cuối năm có 34 học sinh trung bình chuyển thành học sinh khá nên số học sinh khá bằng 5/3 số học sinh giỏi . Tính số hs giỏi, hs khá của khối 6 cuối năm

Viết các đa thức sau thành tích 1. $\frac{1}{4}$ a ² +2ab ²+4b^4 2. $\frac{1}{9}$ -$\frac{2}{3}$y^4+y^8 3.(3x+2) ² -4 4. 4x ²-25y ² 5. $\frac{9}{25}$ x^4-$\frac{1}{4}$ 6. x^32-1 7. 4x ²+4x+1 giúp mik vs ạ hứa 5s+mưn+ctlhn(nếu dc lm trc 4h 30)

giúp mk phần C,MK CẢM ƠN NHIỀU Ạ

Cho tam giác ABC có trung tuyến AM. Trên cạnh BC lấy điểm N sao cho BAN=MAC. Cho AC=10,BC=15. Tính tỉ số độ dài BN,NC

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9. Cho A = 1359 - 3.25 - 5.9 + x với x N. Tìm điều kiện của x để: ; b) A không chia hết cho 5

lúc 7h sáng , một xe máy chuyển động thẳng đều với vận tốc 30km/h từ Quận Bình Tân cách Bình Chánh 10km để đi đến quận Tân Phú. Sau khi chuyển động 45p, người đó ở đâu?

II. Re-write the underline parts of the sentences. Use the passive. Do not include the agent unless it is necessary. 1. My new digital camera was faulty so the shop gave me a full refund. My new digital camera was faulty so ..... I was given a full refund ..... 12. The children have to be in bed by ten and their parents don’t let them use the computer after eight. The children have to be in bed by ten and ..................................................................... 13. The car is very dirty and we need to wash it. The car is very dirty and ..................................................................... 14. We’re travelling by coach and a local guide will show us the sights when we get there. We’re travelling by coach and ..................................................................... 15. I felt so ill that I took a taxi to the hospital but they made me wait for hours to see a doctor. I felt so ill that I took a taxi to the hospital but .................................................................. 16. She attended the party but they saw her leave shortly after her arrival. She attended the party but ..................................................................... 17. He’s getting a pay rise and the company has also promised him a bonus. He’s getting a pay rise and ..................................................................... 18. My grandfather has difficulty walking but a kind passer-by helped him cross the street. My grandfather has difficulty walking but ..................................................................... 19. This information is important and you must hand it out to all employees. This information is important and ..................................................................... III. Re-write the sentences. Use the passive. 20. Britain’s banks lent nearly £12 billion to successful applicants last year. Nearly £12 billion .................................................................. by Britain’s banks last year. 21. Unfortunately, banks let many people borrow more money than they can repay. Unfortunately, many people ......................................................... more money than they can repay. 22. Some banks lent people a sum that was more than their annual income. People .................................................................. that was more than their annual income. 23. They gave other loans to people who had no source of income. Other loans .................................................................. who had no source of income. 24. Consumer groups say that both banks and borrowers need to face the problem. Consumer groups say that the problem ........................................................................... by both banks and borrowers. 25. They argue that banks should not give loans to people who can’t afford them. They argue that loans .................................................................. who can’t afford them.

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Làm từ câu 41 đến hết nhé,⭐⭐⭐⭐⭐