Bài 2: Cho B=3x\(^2\)y-6x\(^2\)y\(^2\)+3xy\(^2\) khi x=-1;y=3
Giúp

Bài 1:Tìm x,y,z biết:
b) \(\dfrac{x}{1,1}\)=\(\dfrac{y}{1,3}\)=\(\dfrac{z}{1,4}\)và 2x-y=5,5
Dạng 2:Một số bài toán về đại lượng tỉ lệ thuận-nghịch:
Bài 1: Biết rằng 21 lít dầu hỏa nặng 16,8kg.Hỏi 19kg dầu hỏa có chứa được vào chiếc can 23 lít không?
Bài 2:Ba đơn vị kinh doanh góp vốn theo tỉ lệ 3:4:6.Hỏi mỗi đơn vị được chia bao nhiêu tiền nếu tổng số tiền lãi là 650 triệu đồng và tiền lãi được chia tỉ lệ thuận với số tiền được đóng góp?
Giúp e với ạ..
 

IV.Circle the letter A,B,C or D under the word/phrase that needs correcting:
1.You should eat \(\dfrac{more}{A}\)junk food \(\dfrac{because}{B}\)it \(\dfrac{is}{C}\)not good \(\dfrac{for}{D}\) your health.

2.Your \(\dfrac{shoesare}{AB}\) the same size \(\dfrac{likemine}{CD}\)

3.Van Cao \(\dfrac{was}{A}\)one \(\dfrac{of}{B}\)the \(\dfrac{greater}{C}\)Vietnamese \(\dfrac{composers}{D}\)
Làm được câu nào thì làm nhaaa, giúp vớiii

V.Complete the text with the verbs in the box in the correct form.Maybe some verbs can be used more than once:
     go                         play                 watch                        listen
John has a lot of hobbies.He(1)_____chess at school and he also(2)______skating.After dinner,he(3)______for a walk and he(4)_____to music every evening in his room.John loves sports.He(5)______athletics at schoo, and he(6)_______football after school.On Saturdays,John and his friends(7)____swimming. On Sundays,they(8)_____basketball in the park.On Sunday evenings, they sometimes(9)______a film.
VI.Rewrite these sentences begin with the words given
1.They are interested in playing soccer
=>They love...............................................
2.My mother isn't as tall as my father
=>My father is................................................
3.The painting is bigger than the photograph.
=>The photograph is not......................................
Giúp t với 15p nữa nộppp
 

III.Supply the correct verb forms
1.The Temple of Literature(find)______________in 1070
2.She(go)___________out with her friends right now.
3.I(live)____________in Thanh Hoa in 1993.
4.He usually(take)___________a lot of beautiful photos.
5.She(fly)__________to Da Nang yesterday.
giuppppppp voiiiiiiii

IV.Rewrite the sentences, beginning with the words given(and using the words in brackets)
1.Plays are longer than films.(not as...as)
=>Films are..................................................................
2.My hobby is making models of real life objects.
=>I like......................................................................
3.My pen is not the same as hers.
=>My pen is...........................................................
V.Rearrage the following words to make meaningful sentences.
1.they/newspaper/read/the/in/Do/morning?
____________________________________________
2.love/I/and/I/too./country music/like/roll/rock/and
_____________________________________________
Giúp t vớiii:((

Bài 2:Thực hiện phép tính
a)-12:(\(\dfrac{3}{4}\)-\(\dfrac{5}{6}\))\(^2\)
b) (2\(^2\):\(\dfrac{4}{3}\)-\(\dfrac{1}{2}\)).\(\dfrac{6}{5}\)-17
Giúp vs ạ cần gấp

Bài 2:Tìm x

a) |x-2|-\(\dfrac{3}{5}\)=\(\dfrac{1}{2}\)
b) (x-\(\dfrac{7}{3}\)):\(\dfrac{-1}{3}\)=0,4
c) |x-3|=5
d) (2x+3)\(^2\)=25
e) \(\dfrac{3}{4}\)+\(\dfrac{1}{4}\): x=\(\dfrac{2}{5}\)
f) (x-\(\dfrac{1}{2}\))\(^3\)=\(\dfrac{1}{27}\)
Làm nhanh giúp mik vs ạ(đang rất cần, cảm ơn nhiều ạaa!!!!!)