a)Cho f(x)=4x^2-lxl+3
với f(0); f(-1); f(-2)
b)Cho f(x)=(2x)^2-4x
với f(2); f(-1); f(-2)

Ai dịch đc chữ này thì giải dùng mik bài 1 vs thôi nhé:') 

lập dàn ý văn biểu cảm về bài thơ qua đèo ngang

Complete the second  sentences so that it has a similar meaning to the first
1. I usually stayed up late to watch football matches last year, but now I don't.
->I used...
2. There were some trees in the field, but now there aren't any
-> There used....
3. Anna doesn't live with her parents any more
-> Anna used.......
4. He is not a pỏo man any more, but he become a rich businessman
-> He used...
5. They didn't often go to the cinema every Sunday last year.
->They didn't use...
6. My hair now is much longer than that in the past
-> In the past my hair used....
7. I don't have time to collect stamps as when I was in primary school.
->I used....
8. Did you often go to the beach when you lived in Nha Trang?
-> Did you used....
9. Mr.Hung often went to work by motorbike, but now he goes to work by bus
->Mr.Hung...
10. There were traffic jams in this street during rush hours, but now the street become wider
->There..

Rewrite each sentence or question so it has the same meaning. Use "Used to"
1. Anna had long hair when she was at school
2. Mary didn't listen when her teachers were speaking
3. Ricardo got up at 6.00 when her was training for the Olympics
4. What đi you usually do on Saturday evenings?
5. Sophie was afraid of dogs when she was a little girl
6. We always gave our teachers presents at the end of term
7. Did you live next door to Mrs. Harrison?
8. My brother wore glasses when he was young

Write sentences with "it". Use these cues
1. 120 km/ Ho Chi Minh City/ Vung Tau
2. 384,400 km/ the Earth/ the Moon
4. 500 meters/ Ha Noi/ Noi Bai Airport
5. 700 meters/ my house/ Youth Club
6. five km/ my house village/ nearest town