1. Where does she live?

2. Who are they?

3. How old are they?

4. Where are they?

5. Who is that? 

1.Where does she live?

2.Who are they? hoặc What do they do? đều được

3.How old are they?

4.Where are they?

5.Who's that?

96 - 3(x+1) = 42

3(x+1) = 96 - 42

3(x+1) = 54

x+1 = 54:3

x+1 = 18

x = 18 -1 

x = 17

học tốt

*tk nha*

3.(x+1)=96-42

3.(x+1)=54

(x+1)=54:3

(x+1)=18

x=18-1

x=27 

2^x+3 = 1024

2^x+3 = 2¹⁰

=> x + 3 = 10

x = 10 - 3

x = 7

2^x+3=1024

2^x+3=2¹⁰

=>x+3=10

    x     =10-3

    x     =7

Ôi giờ! Bài dễ thế cũng đem lên đây à?

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

\(\Leftrightarrow2x-x=1\Leftrightarrow x=1\)

\(125^2\cdot25^3\cdot5^{2007}\)

\(=\left(5^3\right)^2\cdot\left(5^2\right)^3\cdot5^{2007}\)

\(=5^6\cdot5^6\cdot5^{2007}\)

\(=5^{2019}\)

Đề bài là gì vậy bạn?

Hình như bạn viết sai đề à? Theo quy luật thì đề bài phải là (994+995-996-997) nhé. Nếu đúng mình xin giải như sau.

S= 1+2-3-4+5+6-7-8+9...+994+995-996-997+998

S = 1 + (2 - 3 - 4 + 5) + (6 - 7 - 8 + 9) + ... + (994 - 995 - 996 + 997) + 998

S = 1 + 0 + 0 + ... + 998

S = 999

bố ai mak rảnh, tính đc, hả bn.

toa ko ranh ma tra loi

how many desks are there in your class room?
And how many doors?

Who is your teacher?

mk chi ghi cac cau hoi thui nha

Linh: How many desks are there in your classroom?

Ba: Twenty.

Linh: And how many doors?

B: There are two.

Linh: Who is your teacher?

B: She is Miss Hong./