= 10 cái chân

tíck mik nha 

a, (x-1) . 0,5 = 7,5 : (x-1) 

=> = ( x  - 1 ) 0,5 = \(\frac{x-1}{2}\)

\(=\frac{7,5}{x-1}=\frac{15}{2\left(x-1\right)}\)

=> x = - 1 \(\sqrt{15}\)

x = \(\sqrt{15+1}\)

đề sao sao ý

\(\frac{3762}{9000}=\frac{418}{1000}\)

\(\frac{78}{125}=\frac{624}{1000}\)

\(\frac{126}{250}=\frac{504}{1000}\)

bạn angel vu làm đúng rồi nhung ban ay ghi nham dau bang thanh dau cong

Kết quả là 20!

K nha!

25 + 17 + 75 + 32 - 85 + 36 = 100

Tích cho mk nha ^_-

Câu 2 sửa thành:

...enough for us to answer

) Sentence transformation:

1. Lan doesn't live in a small village any more. ( use"used to")

.............................................Lan used to live in a small village.....................................................

2.The question is easy. We can answer it. ( use"enough")

......................................the question is easy enough to answer............................................................

3.I am interested in telling jokes.

I enjoy ............................telling jokes.........................................................

4.My mother told me:"Don't go home late"( use" reported speech)

He told me ..................................not to go home late...............................................

) Put the words in the correct orther to make sentences:

1./ language/ Many/ learners/ try/ do/ not/ learn/ to/ all/ new/ words/ they/ come/ across.

..........................................Many language learners do not try to learn all new words they come across........................................................

2./different/ ways/ there/ are/ of/ learning/ the/ number/ same/ of/ words/.

...........................................There are different ways of learning the same number of words.......................................................

1. The reason I left is ........... I was bored.
A. why B. while C. for D. that

2. You must try not to ............these mistakes again.
A. do B. perform C. make D. take
3. If I could speak French, I ...............next year studying in Paris.
A. will spend B. would spend C. had spend D. would have spend.
4. Billions of cans are thrown ..............everywhere everyyear.
A. up B. away C. into D. out of
5. This is Mr Smith .................. son I am studying with.
A. who B. whom C. whose D. that.
6. We have run ............. sugar. Could you buy some more?.
A. out of B. after C. into D. away.
7. The boy ................ by the window is my little brother.
A. stand B. is standing C. stands D. standing.
8. .................. his good salary, he was not satisfied with his job.
A. In spite of B. Because of C. Despite D. A and B are correct.
9. Stop making ................ in class, chilren?.
A. noise B. noisy C. noisily D. noiseless
10. Tet is the most important ............... for Vietnamese people.
A. celebration B. invention C. decoration D. preparation.

nhầm TH3:AC<AB+BC(h