cho a= 5/n+3 tìm n để

a A là 1 phân  số

b a là 1 số tự nhiên

2 cho b =3n-5/n+4 tìm n để

a A là 1 phân  số

b a là 1 số tự nhiên

chuyển sang gián tiếp 

she said open the door

he said to mai donnot play with this cat

he said i am a student 

she said my brother is a teacher

he said this is my house

he said you should learn english well 

he said i try to learn english

he said we live in hai phong city \

he said they can swim well

he said i didnot drink beer

she said i practise to speak english every day

he said i sing english songs everyday

she said you should listen to english songs

he said they donot like cats because the cats are dirty

he said our school is small

chuển sang gián tiếp

she rides her bike to school every day

chuyển sang gián tiếp

i give her food  every day

we catch bues to work every day

he didnot drink wine yesterday

i donot make tables

she is watching a new film now

they can drive a car 

tom should study vietnamese

he is going to do the homework

i learn english every day

1he is a slower ànd more careful driver than i am

2 the visitor spoken so quickly than i couldnot understand what he said

3 how excellent the girl is

4 it is one -fifty

5 finding an apartment in a big city is not easy

6 the boy spends 3 hour a day learning the lesson

7 how terrible the weather is

8 we enjoy playing football

9 do you enjoy listenning to music

10 he looks after the sick people 

11 lan is more intelligent than her sister

12 we have a two -months summer vacation 

13 will you please look after the house while we are away

14 vietnamese student have fewer vacations than american ones 

sắp xếp lại câu sao cho nghĩa ko đổi

1literature interest my brother a lot

4l

1 do you have a better refrigerator than this 

my house is the oldest house on the street

i get to work in half an hour

do you have a cheaper computer than this

it isnot important for you to finish the work today

how wide is the west lake 

i donot like beef my mother doesnot like beef ,either

she is a teacher iam a teacher too

mr thanh couldnot enjoy the meal because ofstomachache 

 lan didnot go to school yesterday because her sickness

you shouldnot eat too much meat

he is a careful driver

long is a bad swimmer 

my brother cycles slowly

mr cuong play table tennis well

mrs chi is a quick typist

thoa sings smoothly

miss lan is a fast runner

mr hung is a safe driver

viết lại câu mà ko thay đổi ý nghĩa của chúng

giúp mik nhe

she said i have a bag

she said to me i can teach you math

she said your father is my brother

she said i do my homework everyday

he said to me my bike is broken i cannot rid it

chuyển sang gián tiếp

she said to me we go swimming 

she said this house is mine

she said do not play with me 

she said try to learn to find your job

she said to me your bike is new