thực hiện phép tính $\frac{\sqrt[3]{750}}{\sqrt[3]{250}}-5\sqrt[3]{81}+4\sqrt[3]{192}$

tập hợp Q các số hữu tỉ là j vậy mọi người

Cho biểu thức M=$\left(\frac{1}{a-\sqrt{a}}+\frac{1}{\sqrt{a}-1}\right)÷\frac{\sqrt{a}+1}{a-2\sqrt{a}+1}$ với a$>$0 và a$\ne$0

a,Rút gọn biểu thức M

She lent me many books, most of                 I had read.

The girl                    me this gift yesterday is my best friend.

New York is the city                    I have visited several times.

Is this the address to                    you want the letter sent ?

The company                     I worked is developing rapidly.

The company                     I worked is developing rapidly.

 I know a nearby restaurant                   has seafood.

This is the best film                 I have ever seen.

He didn't tell me the reason                    he came late.

What's the name of the man                  son died?

His computer,                   mouse doesn't work, cannot be used now.

Cho 100ml NaHCO3 1M tác dụng vừa đủ với 200ml H2SO4 2M thu được V lít khí và m gam muối. Tìm m và V

The girl                     is our neighbour.

talks to the woman over there

is talking to the woman over there

was talking to the woman over there

All of us are waiting for the man                son was a famous doctor.

Mr Smith,                 is a retired teacher, often does volunteer work to help the poor and the disabled people.

Ms Loan, to                 many of her students are writing, is living happily in Ho Chi Minh City.

Hanoi City,                   is one of the largest city in Vietnam, has a population of over 7 million.

Hanoi City,                   is one of the largest city in Vietnam, has a population of over 7 million.

I have two sisters                        are doctors.

both of which                       B. who both

We visited the church                    in France in the 19th century.

A.was buil                            B. which built

Can you say something about the city you was born?

This's my boyfriend,                  comes from England.

She's the woman                sister looks after my child.

 Ba Na Hill,    we are going to visit, seems to be a paradise for people.

The pollution                     they were talking is getting worse.

The girl                     I borrowed the dictionary asked me to use it carefully.

The girl                     I met yesterday is very beautiful.

Is that the old film                    we watched 5 months ago?

The person to                    I was speaking didn't know English.

Mai,                         parents live in Hanoi, has gone to France.

We'll come in May                         the schools are on holiday.

The man with                        I have been working is very friendly.

The woman,                     was sitting in the meeting hall, didn't seem friendly to us at all.

I bought a T- shirt                is very nice.