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Сторону квадрата збільшили на 4 см і отримали квадрат, площа якого дорівнює 196 см2. Знайдіть площу початкого квадрата.
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Предмет:
Математика -
Автор:
harley55 - 6 лет назад
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Ответы 1
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Большое спасибо, но еще не изучали корень квадратный.
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Автор:
loosetoothkfik - 6 лет назад
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Now write the profile of youor favourite famous person.Use Shakira's profile as model.(40-50 words)
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помогите пожалуйста очень надо.
хотя бы что нибудь
A) Fill in the blanks with a verb from the box in the SIMPLE PAST:
break swim have make sit write
spend buy drink lose wash
1. She ………………….. a cake an hour ago.
2. She ………………….. a hat last week.
3. The boy ………………….. a letter yesterday.
4. They ……………………. in the sea for an hour.
5. They ………………….. a lot of Coke last night.
6. She ………………… her arm last week.
7. He ……………………. all his money last week.
8. She …………………… a bath two minutes ago.
9. He ……………………. his wallet last night.
10. She ………………….. on the old chair a minute ago.
11. She ………………….. the clothes yesterday.
B) Fill in the blanks with the SIMPLE PAST of the verbs in brackets:
Last Saturday my father …. took…. (take) my friends and me to the circus. We ………(see)
lots of things. My father …………………. (buy) us some popcorn and orange juice. We
……………………. (eat) the popcorn and ………………………… (drink) the orange juice.
We …………………….. (laugh) at the funny clowns. There …………………. (be) a lion-tamer.
The lions …………………… (do) tricks; they ………………………… (jump) through hoops. A girl ………………………. (ride) an elephant around the ring. We all ………………… (have)
a wonderful time.
C) Write what Jean DID or DIDN’T do yesterday:
go shopping ( - ) ………… Jean didn’t go shopping yesterday. …………….
clean the house ( + ) ………………………………………………………………
feed the cat ( + ) .………………………………………………………………
telephone Mary ( - ) ………………………………………………………………
watch a film on TV ( - ) ………………………………………………………………
visit her grandparents ( + ) ………………………………………………………………
take them a cake ( + ) ………………………………………………………………
D) Fill in the blanks with the PAST form of the verbs:
Benjamin Franklin …… wasborn …..(be born) in Boston in 1706. He ………………… (be)
the fifteenth of the seventeen children of a poor candlemaker. He …………………(go ) to school only one year. He …………………………… (begin) to work when he was twelve. At the age of fourteen he …………………………… (decide) to be a writer. He ………………….
(copy) the great stories of famous writers and later he …………………………… (become) the best known writer in his time.
When he ………………….. (be) seventeen, he ………………………… (leave) Boston and
…………………………… (arrive) in Philadelphia with only a few pennies in his pocket. He
……………………… (get) a job as a publisher of a newspaper and ……………………. (retire)
from business as a very rich man at forty-two. Then he ………………………. (spend) the next forty years for his government. He ………………………. (play) an important role in the founding of the USA.
Franklin ……………… (be) also an important scientist and inventor. He ……………. (draw)
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(discover) many principles of hydrodynamics. He even ………………………… (invent) bifocal glasses when he was seventy-eight and ……………………… (need) them himself.
Franklin ……………… (do) all these things and many more because he …………….………
(believe) he ………………………… (can).
E) Read the following story:
Bob is a young sailor. He lives in England, but he is often away with his ship.
One summer he comes back from a long voyage and finds new neighbors near his mother’s house. They have a pretty daughter, and Bob soon loves her and he wants to marry her when he comes back. Bob promises the girl to send a present from every port.
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Предмет:
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Автор:
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