Change the order of the words to write a correct sentence .Be careful with spelling , capital letters,punctuation and word order. 

Flight 228 and flight 226. 

1. Goes /new york/from/number/to/flight/228/paris.

2. Every/not/this/day/flight/is. 

3.Sunday/Friday/flies/and/it/thursday/on/monday. 

4.Seven/New york/flight/between/this/paris/takes/and/about/hours.

5.Dinner/on/eat/a/passengers/this/can/snack/breakfast/and/flight. 

6.From/goes/226/paris/to/flight/new york. 

7.For/flight/in/three/this/London/stops/hours. 

8.Flies/flight/saturday/226/on/and/wednesday/tuesday. 

Giup minh voi nha !  

Câu 1 : cho tỉ lệ thức a/b =c/d .Chứng minh :  \(\dfrac{a+2b}{a-2b}\) = \(\dfrac{c+2d}{c-2d}\)

Câu 2 : Tìm x,y,z biết : (áp dụng công thức dãy tỉ số bằng nhau)

a) 2x=3y , 5y =7z và 3x+5y-7z =30. 

b) \(\dfrac{x-1}{2}\)=\(\dfrac{y+3}{4}\)=\(\dfrac{z-5}{6}\)và 5z-3x-4y=50. 

c) \(\dfrac{1}{2}\)x =\(\dfrac{2}{3}\)y=\(\dfrac{3}{4}\)z và x-y=15. 

Change the order of the words to write a correct sentence .Be careful with spelling, capital letters , punctuation and word order : 

1.them helps problems with their she health 

2.sometimes has more ten her office in people it than. 

3. want with the all to talk they doctor 

4. busy is very always she. 

5.to see long wait her time families a .

Tìm x,y:  (x,yϵN)

a) y= x+3/x+1

Tìm x,y:  

a) y= x+3/x+1

Bài 1 : Tính :

a) 8^20 +4^20

____________                     (Đấy là phân số nha)

4^25 +64^5 

b) 45^10 .5^20 

_____________

75^15. 

1. I advice you not to buy that car.

If...