Предмет: Математика, автор: rizazamalova72

(7/48:5/24):6 3/10*4 1/5
Дам 50 балов!!
Помогите это срочно!! Вопрос сверху!

Ответы

Автор ответа: volna7
0

Відповідь:

7/30

Покрокове пояснення:

( 7/48 : 5/24 ) : 6 3/10 * 4 1/5 = ( 7/48 × 24/ 5 ) : 63/10 * 21/5 = ( 7/5 × 24/48 ) × 10/63 × 21/10 = 7/10 × 10/63 × 21/10 = 7/63 × 10/10 × 21/10 = 1/9 × 1 × 21/10 = 21/9 × 1/10 = 7/3 × 1/10 = 7/30

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СРОЧНО КТО ОТВЕТИТ ДАМ 70 БАЛЛОВ ОСТАЛОСЬ 20 МИНУТ !!!VOCABULARY
1 Match the definitions with the words from the box.
There are some you do not need to use.
boring boss busy
earn
customers
easy office staff
1 This means to get money for doing work.
2 These people work for a business.
3 When you have a job, this person tells you what
to do.
4 This means you're working hard and have lots
to do.
5 These people buy things in shops.
6 There are usually desks, phones and computers
in this place.
2 Choose the correct answer, A, B, C or D.
1 My mum builds roads and buildings.
She's
A a customer
B an engineer
C a factory worker
D a mechanic
2 My cousin's a famous.
photos of him.
difficult
A manager
B farmer.
C staff
D model
3 My aunt works in an Italian restaurant.
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A a cook
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C a shop assistant
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4 My brother works with cars. He's.
A a farmer
B a dentist
C a mechanic
People take
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She's
A a farmer
B a worker
C an actor
Da sports coach
6 Emily works with animals. She's
A an engineer
B a farmer.
C an artist
D a manager
7 My dad makes cars. He's,
A staff
B a factory worker
C a nurse
D a farmer
8 My uncle flies planes all over Europe.
He's,
A a factory worker
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C a pilot
D a farmer
GRAMMAR
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A did
B don't
C didn't
D do
3 What time did you
A to start
B starts
C started
D start
4 A: Did you enjoy the party?
B: No,
A I did
B I didn't
C I don't
D I do
5 We
a mountain.
A do
B did
C didn't
D don't.
cook meat.
cooking?
climb a tree, we climbed.
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