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15 tháng 6 2020

1. More discussions..were producted...online to help us read a good decision. (product)

2. Many more students tend....to enrol ...in vocational subjects at the same time. (enrol)

3. Nam : Can u believe that we will inhabit Mars in 20 years?

Mai :.................... But it is possible.

A. over the moon

B. No worries.

C. I am not not so sure about that

D. The sky's the limit

4. ..............my neighbor lives far away from his factory, he always arrives at the workplace on time.

A. There for

B. However

C. Because

D. Although

5. ...............means you have more responsibility and a higher paid post.

A . Earning money

B. Making a fortune

C. Getting a promotion

D. Taking a course

14 tháng 9 2015

tick cho mik rùi mik làm cho nha

31 tháng 10 2021

\(A=x^5+x^4+1\)

\(=x^5+x^4+x^3-x^3+1\)

\(=\left(x^5+x^4+x^3\right)-\left(x^3-1\right)\)

\(=x^3.\left(x^2+x+1\right)-\left(x-1\right).\left(x^2+x+1\right)\)

\(=\left(x^2+x+1\right).\left(x^3-x+1\right)\)

22 tháng 7 2017

ab(a+b)+bc(b+c)+ca(c+a)+3abc

=(ab(a+b)+abc)+(bc(b+c)+abc)+(ca(c+a)+abc)

=ab(a+b+c)+bc(b+c+a)+ca(c+a+b)

=(a+b+c)(ab+bc+ca)

18 tháng 4 2018

*Giới động vật đã tiến hóa theo 2 hình thức:

+Hình thức 1:Tiến hóa về tổ chức cơ thể

+Hình thức 2:Tiến hóa về sinh sản

*CHO MÌNH 1 TICK NHÉ

18 tháng 4 2018

cam on ban nhung ban co the noi cu the cho mk dc ko

Nho bn nhe

21 tháng 2 2022

1 >

2 <

3 <

13 tháng 2 2022

B7 chu vi mảnh vườn là 3,3 m

diện tích là \(\dfrac{8}{7}\)m vuông

 

Bài 7:

Chu vi là:

\(\left(\dfrac{12}{5}+\dfrac{10}{21}\right)\cdot2=\dfrac{604}{105}\left(m\right)\)

Diện tích là:

\(\dfrac{12}{5}\cdot\dfrac{10}{21}=\dfrac{8}{7}\left(m^2\right)\)

24 tháng 4 2021

4 has not been - broke

5 did you - was

6 have youy ever been

II

1 go

2 were

3 eats

7 does - won't worry

8 had played - would have won

9 will - do

10 were - would go

14 would have written

15 won't go

16 tries

17 spoke

19 finish - will go

20 see - ask

 

24 tháng 4 2021

Rewrite

1 The man who doesn't work hard can't earn more money

3 If my friend and I had enough money, we would buy a  house of our town

4 If the weather were better now, we could go for a walk

5 If I knew his addres, I would give it to you

6 If he worked slowly enough, he wouldn't make

7 If I were sent to proson, she would visit me 

8 If I won a big prize in a lottery, I would give up my job

9 If the doctor weren't so late, he could see many patients

10 If tickets weren't expensive, we would visit them in Ha Noi

III

1 were

2 would visit

3 would give

9 tháng 11 2017

sai đề bài rồi nha

9 tháng 11 2017
ừa, mình chép sai đề bài đấy