cho P = $\frac{√x}{√x + 3}$ + $\frac{2√x}{√x - 3}$ - $\frac{3x+9}{x-9}$ (x$\geq$ 0, x $\neq$ 9) a, rút họn P b, Tìm GTLN của P c, Tìm GTNN của Q = P+ $\frac{√x + 15}{3}$

1 hình chữ nhật có chiều dài 105m và chiều rộng 75 m được chia thành các hình vuông có diện tích bằng nhau . Tính độ dài cạnh hình vuông lớn nhất trong cách chia trên

ai giúp mình vs cảm ơn :(( Các nguyên tử nào thuộc về cùng một nguyên tố hoá học ? Tại sao ?

vẽ anime/chibi/mầm vui sướng, mãn nguyện NL: ôi bà con ơi tui dui gần chớt cuois cùng cũng có cái bìa đỏ đứng tên mk:)))) dui ko j bằng hôm qua vừa đi làm bìa mất bay 2 trịu của ba má tui nhưng hông sao:))) tui cóa tài sản riêng rùi lớn lên nuôi vk:)))

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Giải bài 3 giúp mình nhé ( mình cần giải 3 câu)

Câu 4 Lunch is a _____ meal for many people. A quicker B quickest C quick D quickly Câu 5 My mother would like to buy a ________ bag. A big blue Russian plastic B Russian plastic big C big plastic blue Russian D big Russian blue plastic Câu 6 They understand more than we do. A We don’t understand as much as they do. B They understand everything inside out. C They are very intelligent. D We don’t understand anything at all. Câu 7 Linda likes wearing ______ clothes. A carefully B colourfully C careful D colourful Câu 8 My sister lives in a ________ apartment. A nice wooden new B new nice wooden C nice new wooden D wooden nice new Câu 9 My husband’s a _____ cook. A worst B bad C badly D worse Câu 10 Teachers work _____, but they don’t earn much money. A hard B hardest C hardly D harder Câu 11 Are you _____? Or is the book _____? A boring / boring B boring / bored C bored / bored D bored / boring Câu 12 My interview lasted longer than yours. A Your interview wasn’t as short as mine. B Your interview was shorter than mine. C Your interview was as long as mine. D Your interview was longer than mine. Câu 13 He is a _____ driver. A careful B the careful C care D carefully Câu 14 She ran _____. A the quickly B quickly C quick D quicker Câu 15 I know the Prime Minister _____ . A best B good C better D well Câu 16 They are _____ readers, they read _____. A slowly / hardly B slowly / hard C slow / hardly D slow / hard Câu 17 Nancy’s car is ____than mine, but Ben’s car is ____ car. A the most expensive / more expensive B expensiver / expensivest C more expensive / the most expensive D most expensive / the more expensive Câu 18 Smoking is a _____ habit. A badly B worth C bad D worst Câu 19 She paints _____; she is a _____ painter. A good / good B goodly / good C well / good D goodly / well Câu 20 A country is quieter _____ a city. A to B with C than D ago Câu 21 Don't go up that ladder. It doesn't look _____ A safe B dangerous B. dangerously C safely Câu 22 The Plaza is the _____ hotel. A cheapest B cheap C cheaper D the cheapest Câu 23 I turned around _____, because there was a _____ shout. A immediately / suddenly B immediate / suddenly C immediately / sudden D immediate / sudden Câu 24 Your essay was _____ than Jim’s, but it was _____ than Mary’s. A gooder / badder B best / worse C better / worse D better / worst

Giúp tui gấp ạ cảm ơn nhìu nkaaaaaa

So sánh: 2mủ41và 4mủ19 Giúp mik với mn ơi

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