giải hpt

\(\left\{{}\begin{matrix}\frac{4}{2x+y}+\frac{1}{3x-y}=2\\4x+12=7\left(2x+y\right)\left(3x-y\right)\end{matrix}\right.\)

giải hpt

\(\left\{{}\begin{matrix}x^2+4y^2=5\\\left(x+2y\right)\left(5+4xy\right)=27\end{matrix}\right.\)

Exercise : Change into Reported speech with gerunds:

1,“I hear you got the scholarship”, Tom said to Susan.

Tom congratulated _________ on .......................................................................................................................

2,“I’m sorry I didn’t join the party”, He said .

He appologised for ............................................................................................................................................

3,“I will drive you to the airport”, Binh said to Ngoc.

Binh insisted ___________ on .............................................................................................................................

4,“You didn’t look at the board”, the teacher said to the boy.

The teacher accused _____________ of ..............................................................................................................

5,“I have always wanted to be healthy”, Hoa said.

Hoa has always dreamed of ................................................................................................................................

6,“Don’t sit near the fire”, The mother said to the baby.

The mother warned ___________ against ...........................................................................................................

7,“I can’t let you jump over the river”, Minh said to Hong.

Minh prevented ____________ from ..................................................................................................................

8,“It was nice of you to help me”, Trang said to Tuan.

Trang thanked __________ for .........................................................................................................................

9,“Let me pay for your drink”, Giang said to Han.

Giang insisted _____________ on ....................................................................................................................

10,“ I feel like seeing yiu at the party”, Hung said.

Hung looked forward to ....................................................................................................................................

11,“I haven’t broken the window of my house”, the old man said to Thanh.

Thanh denied .......................................................................................................................................................

12,“You mustn’t leave the room”, the father said to Yen.

The father stopped _________ from .................................................................................................................

13,“I have built this house for two years”, The man said.

The man admitted ...............................................................................................................................................

Peter suggested .................................................................................................................................................

Tung thought of ..............................................................................................................................................

Quang apologised for ........................................................................................................................................

Tuan admitted ....................................................................................................................................................

Quan suggested ..................................................................................................................................................

Sang apologised ____________ for ..................................................................................................................

The son insisted __________ on ......................................................................................................................

A stranger accused _________ for ..................................................................................................................

Dang dreamt of ................................................................................................................................................

The teacher prevented _________ from .........................................................................................................

An prevented ____________ from .................................................................................................................

Loan denied ...................................................................................................................................................

Helen denied ...................................................................................................................................................

Yen thanked __________ for .........................................................................................................................

Trung thanked __________ for .......................................................................................................................

Bao thinks of .................................................................................................................................................

Xuan thought of ...........................................................................................................................................

Van looked forward to ......................................................................................................................................

Trong looked forward to ....................................................................................................................................

1, the browns (move) to their house flat since march

2, I didn't know how (get) to your house so I (stop) to ask the way

3, he(learn) english since he was ten

4, a lot of passengers who (be) in the ship crash are still suffering from shock

5, we regret(say) that her lecture was very dull and was not worth(listen)

6, don't stop start(try).....(learn)...geometry before you have finished(learn)....(do)...simple things in Arithetic

7, she fell asleep when she (read)

8, this bridge (finish) before tet

9, her son( not /visit) her very often

giải hệ phương trình

\(\left\{{}\begin{matrix}x-xy+3y=3\\x^2+xy+y^2=7\end{matrix}\right.\)

giải phương trình

2\(\left|x-2\right|\)=3x-1

1, "The sun rises in the East and goes down in the west"

\(\rightarrow\)the teacher said to the students..

2, "I used to be a policeman"

\(\rightarrow\)he said to the boy...