7-4=3 (bông hoa)

khong co co mi => co mi khong co tuoi

14*14*14=.............

tttyyyyyyyyyyyyyyyuiiiiioooooovg

Thanks, e ấn enter rồi chị mới trả lời (Minh Hiền)

3 người đó nói đúng vì họ là chị gái của Tư .

Lần 1 : chia 12 đồng thành 3 nhóm, mỗi nhóm thì sẽ có 4 đồng, đặt 2 nhóm trong 3 nhóm, nhóm nào cân nhẹ hơn thì nhóm đó là có đồng xu giả, nếu 2 nhóm thăng bằng với nhau thì nhóm còn lại là nhóm chứa đồng xu giả.

Lần 2 : ta lấy nhóm chứa đồng xu giả, chia ra làm 2 nhóm cân lên, bên nào nhẹ hơn thì bên đó chứa đồng xu giả

Lần 3 : cân 2 đồng chứa đồng xu giả, bên nào nhẹ hơn thì bên đó là đồng xu giả. 

2016 đó số thập phân là 86.75

chưa hỉu thì bào mk giải ra cho

Kế hoạch của công ty là: 18000 : 90 x 100 = 20000 ( đồng)

                                                                           Đ/S: 20000 đồng

Nam còn lại là :

32 / 4*[4-1] /4*[4-1]=18 [ viên bi]

Đáp số : 18 viên bi

How long is it since you rode a bicyde?

=>When did you ride a bicycle?

How long is it since he wrote to ỵou?

=>When did he write to you?

When did he last talk to you?

=>How long has he talked to you ?

When did you last telephone him?

=>How long have you telephoned him?

We have never eaten this kind of food before.

=>It’s the first time we have eaten this kind of food

This is the fìrst time I have seen this fìlm.

=>I have never seen this film before.

This is the first time he went abroad.

=> He hasn’t gone abroad before.

She started driving 1 month ago.

=>She has driven for 1 month.

We began eating when it started to rain.

=>We have eaten since it started to rain.

I last had my hair cut when I left her

=>I haven’t had my hair cut since I left her.

The last time she kissed me was 5 months ago.

=>She hasn’t kissed me for 5 months.

It is a long time since we last met.

=>We haven’t met for a long time.

When did you have it ?

=>How long have you had it?

This is the first time I had such a delicious meal .

=>I haven’t had such a delicious meal before.

I haven’t seen him for 8 days.

=>The last time I saw him was 8 days ago.

I haven’t taken a bath since Monday.

=>It is since Monday I last took a bath.
Its 2 months since he earned any money.

=>He has earned money for 2 months

He last shaved the day before yesterday.

=>He hasn’t shaved the day since yesterday.

Its 2 years since I was last in Rome.

=>I haven’t been to Rome for 2 years

I saw Tom last on his wedding day.

=>I haven’t seen Tom since on his wedding day

I last ate raw fish when I was in Japan.

=>I haven’t eaten raw fish since I was in Japan

Its ten weeks since since I last had a good night sleep.

=>I haven’t had a good night sleep for ten weeks

He last paid taxes in 1970.

=>He hasn’t paid taxes since 1970

I last ate meat 5 years ago.

=>I haven’t eaten eat for 5 years.

Its years since I took photographs.

=>I haven’t taken photographs for years.

I last watched TV on new years

=> I haven't watched TV since on new years.

Its 3 months since he wrote to me.

=>He hasn’t written to me for 3 months.

The last time I was aboard was in the summer of 1978.

=>I haven’t been abroad since the summer of 1978
Ihavent seen him for 2 months.

=> I last saw him 2 months ago.

Its nearly 20 years since my father saw his brother.

=>My father hasn’t seen his brother for nearly 20 years.

When did you learn to drive?

=>How long is it since you learned to drive?

The last time I went swimming was when we were in Spain.

=>I haven’t gone swimming since we were in Spain.

ThisisthefirsttimeIve been to a night club

=>I haven’t been to a night club before

They have never heard such a thing before.

=>This is the first time they have heard such a thing

Mary rang hours and hours ago.

=>It it hours since Mary rang

It is ages since Alan visited his parents.

=>Alan hasn't visited his parents for ages.