Bài làm

a) 252​​/y=84/5

Vì 252 : 3 = 84

=> y : 3 =5 

      y      = 5 x 3

      y      = 15

Vậy y = 15

b) y - 2/225  = 38/51

     y             = 38/51 + 2/225

     y             = 2884/3825

  Vậy y = 2884/3825

\(a,\frac{252}{y}=\frac{84}{5}\)

=> \(y\cdot84=252\cdot5\)

\(y\cdot84\) \(=1260\)

\(y=1260:84\)

\(y=15\)

\(\frac{252}{y}=\frac{84}{5}\)   

\(\Rightarrow y\cdot84=252\cdot5\)   

\(y\cdot84=1260\)   

\(y=1260:84\)   

\(y=15\)    

\(y-\frac{2}{252}=\frac{38}{51}\)   

\(y-\frac{1}{126}=\frac{38}{51}\)    

\(y=\frac{38}{51}+\frac{1}{126}\)   

\(y=\frac{1613}{2142}\)

\(b,y-\frac{2}{252}=\frac{38}{51}\)

\(y-\frac{1}{126}=\frac{38}{51}\)

\(y=\frac{38}{51}+\frac{1}{126}\) 

\(y=\frac{1613}{2142}\)

There/ a lot of/ cheese/ table/.

- There are a lot of chese in the table

He/ not have/ many friends/.

- He does not have many friends

-There are a lot of cheese on the table.

-He does not have many friends.

There are a lot of cheese on the table.

He doesn't have many friends.

Cho sửa lại ạ

I l.i.k.e going to the cinema

Hok tốt

*19,96+4,19-24,15:(1/4-1/4)         *252/x=84/97

=19,96+4,19-24,15:0                          x=252x97:84

=19,96+4,19-0                                    x=291

=24,15-0                                      * x-2/255=114/153

=24,15                                          x-2/255=38/51 

                                                     x=38/51+2/255

                                                     x=64/85

a ) ko rõ đề

b )\(\frac{252}{x}=\frac{84}{97}\)

=> 252 . 97 = x . 84

=> x . 84 = 24 444

x = 24 444 : 84

x = 291

Vậy x = 291

c ) x - \(\frac{2}{255}=\frac{114}{153}\)

x = 114/153 + 2/255

x = 64/85

Vậy x = 64/85

Is Peter doing a cartwheel in his room?

What are the children doing at the moment?

Linn is taking a photo of her father.

moment/ are/ the/ What/ children/ at/ doing/ the/?

in/ Peter/ doing/ his/ Is/ cartwheel/ room/ a/?