√5*90 * √50 решить срочно - №29746275

√5*90 * √50 решить срочно
- Предмет:
  Математика
- Автор:
  flakehper
- 6 лет назад

Ответы 1

Я скажу весь ответ,ибо расписывать мне лень.450
- Автор:
  amadeo
- 6 лет назад
- 0
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Какие свойства действий позволяют, не выполняя вычислений, утверждать, что верно равенство: 472+37=37+472 переместительный закон умножения ab=ba
сочетательный закон умножения (ab)c=a(bc)
сочетательный закон сложения (a+b)+c=a+(b+c)
переместительный закон сложения a+b=b+a
распределительный закон умножения a(b+c)=ab+ac
- Предмет:
  Алгебра
- Автор:
  addisonqucv
- 6 лет назад
- Ответов:
  
  1
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ПОСТАВЬТЕ True, False, Not Stated.

In America, all children from six to sixteen go to school. They spend six years in «elementary» school, and four or six years in «secondary» or «high» school. School education is free. At the end of every school year, the children take a test. If a child does well, he goes into next class («grade»). If he doesn’t do well, he has to repeat the grade. Some schools have modern teaching equipment. like computers and closed circuit television, but there are small country schools, with just one classroom. At the end of their time at school, most students get a high school diploma. If they want to go on to college, they take college admission tests. In Britain all children from five to sixteen go to school. They spend six years in «primary» school, and then go on to «secondary» school. In Britain there are «state» schools, which are free, and private schools for which parents pay. Many British private schools are «boarding» schools. The children stay at school all the time, and only come home in the holidays. They usually wear uniforms. Teaching in both countries is usually quite informal. Students often work together in groups and go to the teacher only when they need help. At school pupils spend the most important part of their lives. It is here that their characters and views are formed. The word «school» always reminds us of our childhood and youth, of close and dear people in our life.

1. If they want to continue education in some college, they take college admission tests.___ 2. In Britain, all children from six to sixteen go to school____ 3. School education is free.___ 4. In Britain there are private schools for which parents pay___ 5. Teaching in both countries is usually quite formal.___ 6. Pupils study at school for six years___ 7. Pupils should wear uniforms___ 8. School forms a good behavior___ 9. All school have all teaching equipment___ 10. The word «school» associated with our childhood___
- Предмет:
  Английский язык
- Автор:
  miriam
- 6 лет назад
- Ответов:
  
  1
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Приведите несколько значений числа a, отвечающих условию неравенства: а) |a|>|a+5; б) |a|<|a-5|
- Предмет:
  Математика
- Автор:
  rolandojcuz
- 6 лет назад
- Ответов:
  
  2
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найти три последовательных натуральных числа , если их сумма равна 450
- Предмет:
  Математика
- Автор:
  miko13
- 6 лет назад
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  2
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