Предмет: Математика, автор: nina771

Объясните преимущества позиционного способа записи чисел. Приведите примеры записи одного и того же числа арабскими и римскими цифрами.

Ответы

Автор ответа: Хуqожнuк

Например число 1469, в нём каждая цифра отвечает только за себя: тысячи, сотни, десятки.
Тоже число рим. MCDLXIII (M - 1000, CD - 400, LX - 60, IX - 9 ) набирается стандартными цифрами, что порядком усложняет написание и чтение.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: dssdf16

Помогите решить тест по английскому языку
1 I come Italy.
A to
B from
C at
D in
2 A I is a cold.
B I am cold
C I has cold
D I have cold.

3
Ann, how are you?
A- I'm a nurse.
B - I'm fine, thanks. And you?
C - I am working.
D - Good.
4 Whose key is that?
A It's of Cate.
B It's Cate's.
C It's Cate.
D It's to Cate.
5 His office is on the first ........
A level
B ground
C stage
D floor

6
I speak Hebrew and French but Ann ....
A don't
B doesn't
C speaks
D doesn't speaks

7 I can't find my glasses. Can you look for.., please? .
A they
B them
C it
D their
8
A ...... there any cars on the street?
A Are
B Is
C Am
D Isn't

9 (On the phone) Hello. Juliet ........medicine last week.
A speak
B speaking
C talking
D talk
10
......... do you go to the gym? - Twice a week.
A How often
B Where
C How
D Why

11
I like in my spare time.
A reading
B read
C to read
D to reading
12 Chopin music when he was three.
A can read
B could read
C can to read
D can't read
13 I born in 1992.
A was
B am
C were
D is
14 Where Ann and Mary at 6 pm yesterday?
A are
B were
C was
D have been

15
I went to the bookshop 'Harry Potter'.
A for buying
B to buy
C to buying
D for to buy

16 He is interested….. learning Romanian.
A in
B on
C to
D for
17
Would you like to drink, sir?
A anything
B anywhere
C nothing
D something
18 The doctor gave me a for some medicine last week.

A note
B recipe
C prescription
D receipt
19
What next weekend?
A do you do
B are you doing
C will you do
D did you do
20 'Why are you so hungry?'
'Oh, I breakfast this morning.'

A didn't have
B don 't have
C hadn't
D haven't
21 Look! The bus .......................
A are coming
B is coming
C comes
D come

22 - 'I have never been to Africa.' - ' ........... have I.'
A Either
B Neither
C So
D No
23 'Have you visited Birmingham?' ' ............ '
A - Not
B - Ever
C - Already
D - Not yet.
24 My mother the carpet when I got home yesterday afternoon.
A is hoovering
B was hoovering
C were hoovering
D has been hoovering
25 My aunt come to our wedding reception next month.
A aren't going to
B isn't going to
C is n't
D will

7 лет назад

Предмет: Химия, автор: Аноним

яке число молекул містить азот кількістю речовини а)0.5моль ,б)3 моль.

7 лет назад

Предмет: Биология, автор: borisaheev

Биология 6 класс. Почему листья домашних растений надо протирать влажной тряпкой?

7 лет назад

Предмет: Математика, автор: ираида262725

Восстанови пропавшие цифры.
35*78+4*396+693=*2466

10 лет назад

Предмет: Математика, автор: Devilvampiere

Помогите, срочно надо!

К числу 157 добавили справа две цифры так, чтобы полученное пятизначное число делится без остатка на 36. Найдите наибольшее пятизначное число, удовлетворяющее данному условию.

10 лет назад