Раскройте по формуле (х-3)^3 я в замешательстве - №12967487

Раскройте по формуле (х-3)^3
я в замешательстве
- Предмет:
  Математика
- Автор:
  evavjv4
- 6 лет назад

Ответы 1

(a-b)^3=а^3-3a^2b+3ab^2-b^2(x-3)^3=x^3-9x^2+27x-27
- Автор:
  jerimiahn2ju
- 6 лет назад
- 0
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Let me first introduce myself. My name is Anna. My surname or last name is Petrova. I was born on the 11th of October in Makeyevka, Donetsk region. Now I am a first- year student at the Faculty of Law and Psychology of Makeyevka Institute of Economics and Humanities.
Now let me describe my appearance. I am tall and slim and have fair hair and blue eyes. My friends say I am pretty and easy- going. Unfortunately sometimes I am hot- headed a little. I love sports and music. I love to listen to the modern music and dance. I dance a lot and I hope I am good at it. I also love swimming.
I would like to tell you about my family. There are four of us. My father’s name is Ivan Nikolayevich. He is a therapist by education and works at a hospital now. My father is a very hard-working man. My mother’s name is Natalya Sergeyevna. She works as a teacher at school. She also has much work about the house after she gets home. But my sister and I always help her. Yes! Let me introduce my younger sister! She is still a pupil. Her name is Tanya and she is in the tenth form. She is very pretty and a great dancer. She is also fond of reading. Tanya likes to read historical novels. By the way, my sister is good at cooking.
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In May I finished school #16 in Makeyevka. I did well in all the subjects but my favourite subjects at school were Biology and Chemistry. I also enjoyed Geography lessons.
I am interested in learning English, and I think it is necessary to know at least one foreign language to be a well-educated person.
I think I shall do my best at the institute to become a great specialist.

1.Answer the following questions:

1. What is your name?
2. Where and when were you born?
3. How many people are there in your family?
4. Do you have brothers, sisters, grandparents in your family?
5. Where do you live?
6. Did you study well at school?
7. What school did you finish?
8. What were your favourite subjects at school?
9. What are you going to be?
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