Предмет: Алгебра, автор: Shved55

сколько будет 1 в нулевой степени?

Ответы

Автор ответа: MaxMoiseev
0
Все числа в нулевой степени равны 1
Автор ответа: IvINaSTyA
0
нет
Автор ответа: IvINaSTyA
0
любое число в нулевой степени равняется 0
Автор ответа: Сугубо
0
1 в нулевой степени равно 1. Любое число если УМНОЖАЕТСЯ на 0 дает 0, но степень это другое. Если, например, 1 во 2 степени будет 1, так как 1*1=1, а если 2 в 3 степени будет 8, так как 2*2*2=8.
Автор ответа: IvINaSTyA
0
1*0=0
Автор ответа: Сугубо
0
это верно, но это не степень, а произведение множителей.
Автор ответа: Сугубо
0
1 в любой степени даст 1, следовательно  1^{0} будет равно 1.
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I. Reading

Healthy lifestyle

It is a pleasure to look at a strong, athletic man and slim beautiful lady.

It is known that healthy people live longer and their career is more successful. To look well you must follow some simple rules: don`t smoke and take drugs, don`t drink alcohol, don`t eat too much chips and sweets, eat more vegetables and fruits, sleep well, do exercises.

It is important to know what foods are best for our healthy lifestyle. We do exercises, run, jump, play basketball and pioneer ball, ski in winter. I think that we must have more lessons of physical training than we have now.That is why there are PT lessons twice a week in timetable. A person’s diet should be made up of healthy food. A balanced diet with carbohydrate, protein and lots of water keep you healthy and strong. The most helpful food for sport isn’t a food at all, but a drink; it’s water. If you need a remainder, listen to this: Carbohydrates are your muscles’ fuel; for bones, protein is a useful tool; and water is what keeps you cool!

Mark the statements True or False

1. American pupils have PT lessons twice a week. ________

2. Doing exercises helps us to be healthy. ________

3. Healthy people`s career is more comfortable. ________

4. If you want to look well eat too much chips. ________

5. Enough sleeping is good for our health. ________

II. Writing

Match the items in column A with those in column B

A B

1. If you drop a stone in water A) If you heat it to 100°c

2. If it snows B) We will have to take a taxi

3. We would be friends C) I would sunbathe every day

4. If I were you D) They will pass their test

5. The water boils E) It sinks

6. If there no buses F) Children will make a snowman

7. If I lived near the sea G) If Carol were a little more optimistic

8. If they study H) I wouldn’t lie to our parents



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