Пожалуйста,помогите! Нужно развернутое решение трех примеров. Надеюсь на вас.

Пожалуйста,помогите! Нужно развернутое решение трех примеров.
Надеюсь на вас.
- Предмет:
  Алгебра
- Автор:
  lauran3oq
- 6 лет назад

Ответы 2

ответ на фотографии.
- Автор:
  annabelle
- 6 лет назад
- 0
√(12*10)*√60=√(4*3*2*5*4*3*5)=√(4²*3²*5²*2)=4*3*5*√2=60√2
Ответ:: 2).
√(75*60)*√90=√(5²*3*2²*3*5*2*3²*5)=√(5⁴*3⁴*2²*2)=5²*3²*2*√2=
=25*9*2*√2=450*√2.
Ответ: 4).
√(18*72)*√30=√(2*3²*3²*2³*2*3*5)=√(2⁴*3⁴)*√30=
=2²*3²*√30=4*29*√30=36√30.
Ответ: 1).
- Автор:
  oliverw8xf
- 6 лет назад
- 0
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My name is Peter Sedov. I am forty-six years old. I am chief engineer in a factory. I have a wife and three sons. My wife Mary is forty-two. Mary and I work in the same factory. She is a secretary in the office.
Our eldest son Boris is twenty-two. He is a programmer. George, our second son, is nineteen. He is a first-year student at Moscow University.
Our younger son Nick is twelve. He goes to school. He is in the fifth form.
We live in Moscow. We have a four-room flat in a new block of flats. Our flat is on the second floor. Our house is in Ostozhenka street.
Mary and I usually get up early, at half past six. I shave and have a shower. Then I wake up Boris and Nick.
At half past seven we have breakfast. We usually have bacon and eggs, toast and tea or coffee for breakfast.
At ten minutes past eight we leave home for work or school. Our house is near Gorky Park Underground Station, and it takes us five minutes to get there.
My five and I get to the factory at a quarter to nine.
I usually have a lot of things to do2 in the office. I dictate letters, look through papers and translations and recieve visitors.
Mary and I always have lunch in the factory canteen. We usually have roastbeef or steak and coffee for lunch.
Nick comes home from school at half past one or at two o'clock. He has lunch and then goes for a walk in Gorky Park.At four o'clock he comes back and does his homework. He writes exercises, translates English texts into Russian and learns rules. It takes him two hours and a half to do his homework. Nick likes reading bookes. He often borrows books from the school library3.
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Tonight we have a guest. Michael, my younger brother, is coming to see us. Michael is a diplomat. He works in the Ministry of Foreign Affairs. Michael knows three foreign languages: English, Spanish and German.
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Пожалуйста,помогите! Нужно развернутое решение трех примеров. Надеюсь на вас.

Ответы 2

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Пожалуйста,помогите! Нужно развернутое решение трех примеров.
Надеюсь на вас.