Математика-5класс Задача: Напишите формулу для площади поверхности S куба, длина ребра - №21850704

Математика-5класс
Задача:
Напишите формулу для площади поверхности S куба, длина ребра которого равна a.
- Предмет:
  Математика
- Автор:
  kassidy
- 6 лет назад

Ответы 1

S=6а*2 вот правильный ответ)))
- Автор:
  timothy173
- 6 лет назад
- 0
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Eco or green living is increasingly becoming a way of life. More and more people change their routines to embrace a healthier lifestyle that can really protect the environment and the world we live in. The food we eat and the air we breathe are the most important benefits to living green. However, we must be able to live in a way that we do not deliberately violate the laws of nature. In other words, going green is useless if we do not do this actively and by example.
Being able to maintain a green home is extremely important for our health and standards of living . New homes are built with the use of new technologies to improve the construction of greener structures. These practices aim at reducing the overall impact of building on human health and the environment.
Organic gardening is beneficial because it provides fresh vegetables and fruits which, in turn, help our bodies stay healthy. By avoiding the use of chemicals, not only do you grow organic, healthy products in your garden, but also you preserve the water from contamination when these harmful products are washed away in a rainstorm. The contaminated water contaminates the fish, which harms people and animals as they eat it.
Recycling is one of the most important benefits of green living. In effect, recycling is more than replacing plastic bags with cloth ones and keeping aluminium cans out of the garbage. It is an entire process that includes the collection of recyclable materials, their process into raw materials and their manufacture into new materials. However, in the context of a household, it’s a good start to avoid plastic bags and aluminium cans.
As the recycling industry is becoming increasingly sophisticated, more and more items are manufactured from recycled materials. Manufacturing new materials from recycled materials requires less energy than using raw materials because recycled materials have already been processed.
Green living has value if each one of us turns the thoughts of green living around and teaches our children how to live green. By showing a sustained commitment to protect the environment and ourselves, we will be able to conserve the forests and protect the endangered species so that future generations find a place to live on this planet. Greenhouse emissions are stabilized so that global warming possibly slows down.
To support the cause of a greener lifestyle, we need to unplug the equipment we don’t use; close the taps tightly; print documents both sides; use compact fluorescent lamps; refurbish our furniture; shop locally; eat all our food; use cloth shopping bags. With small steps we can make giant changes provided we actively support green living.
a) How is being green becoming a way of life?
1) More and more children are taught ecology at school.
2) Recycling is becoming one of the most important industries.
3) More and more people change their lifestyles.
4) Plastic bags and cans are avoided in some households.
b) What is the goal of using new technologies to help construct green buildings?
1) Reducing construction costs.
2) Making houses more attractive and comfortable to live in.
3) Promoting “intelligent” housing.
4) Reducing the overall impact of building on human wellbeing and environment.
c) How can contamination of water be avoided while gardening?
1) By using safe chemicals.
2) By using new irrigation methods.
3) By avoiding the use of chemicals.
4) By using fresh rainwater.
d) How can we protect the endangered species and conserve the forests?
1) By establishing nature reserves.
2) By eating vegetarian food.
3) By practising organic gardening.
4) By sticking to the chosen course of action.

e) How can we change the situation for the better?
1) Only by shopping locally .
2) By actively promoting everyday green living.
3) By changing public opinion .
4) By improving the state of economy .
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