Предмет: Математика, автор: YBogdan

сколько надо взять слагаемым 8, чтобы частное от деления 640 на сумму восьмерок было равно 20?

Ответы

Автор ответа: Милашка0198
0
Проверим для каждого случая:
1) 640/8=80 не подходит
2)640/(8+8)=640/16=40 не подходит
3)640/(8+8+8)=640/24=26.(6) не подходит
4) 640/(8+8+8+8)=640/32=20 подходит
Значит, для того чтобы частное от деления 640 на сумму восьмерок было равно 20 необходимо взять 4 слагаемых восьмерок
Автор ответа: YBogdan
0
Спасибо)
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Задание
№1
Group the words under the correct headings: sofa, mirror, cushions, table, armchair,
cupboard, washbasin, coffee table, sink, fireplace, bath, chair, fridge.
Kitchen:
Living room:
Bathroom:
Задание
№2
1. I keep my clothes in a ...........
A cupboard B bath C wardrobe
2. Under the table in the living room there is a .......... .
A carpet B bath C ceiling
3. In the kitchen there is a.......... .
A bath B cooker C armchair
4 There is a poster on the .......... .
A coffee table B wall C washbasin
5.I have got two ………. on the bed.
A cushions B pillows C curtains
1.
2.
3.
4.
5.
Задание
№3
Complete the sentences using a/an, some, any
I have got 1) .....................very nice bedroom. There is 2) ..................... bed next to
the window and there are 3) ..................... pillows on it. I have got 4) .....................
big desk and 5) ................. armchair. There is 6) .................. painting on my wall, but
there aren’t 7) ..................... posters. There is also 8) ..................... big bookcase.
1.
2.
3.
4.
5.
6.
7.
8.
Задание
№4
Complete the dialogues using a/an/some/any
- Have you got 1) ….. pencil?
- I haven’t got one here, but there are 2) … in my pencil case. Which color do
you need?
***
- Are there 3)…. sweets, Mum?
- No, dear, there aren’t 4)…. Why don’t you take an apple?
***
- Are there 5) … spare pens in your bag?
- Yes, there are 6)…. Why?
- Mine has just stopped writing.
1.
2.
3.
4.
5.
6.
Задание
№5
Choose the correct item.
1. In the living room, there .......... a coffee table.
A is B are C aren’t
2. There are ………. flowers in the vase.
A any B some C a
3. There is ………. poster on the wall.
A an B any C a
4. There ………. many books in the bookcase.
A are B is C isn’t
5. The bed is in front ………. the window.
A on B of C in
6. There ………. a carpet on the floor.
A aren’t B isn’t C are
7. ………. there a bookcase in your room?
A Are B Is C Aren’t
8. Are there ………. paintings on the walls?
A a B some C any
9. In the kitchen, there ………. any sofas.
A is B isn’t C aren’t
10. The armchair is ………. the fireplace.
A between B next to C in
1. 6.
2. 7.
3. 8.
4. 9.
5. 10.
Задание
№6
Choose the correct answer to complete the dialogues.
1. Is there a bookcase in your room? 1) It’s on the table. 2) Yes, there is.
2. Where’s your room? 1) Next to the fireplace. 2) It’s next to the bathroom.
3. Is your sister at home? 1) Yes, there is. 2) Yes, she’s in her bedroom.
4. Whose computer is this? 1) It’s next to the bookcase. 2) It’s mine.
1.
2.
3.
4.
5.
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