Предмет: Алгебра, автор: asvatolina98

Решить систему дифференциальных уравнений

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Ответы

Автор ответа: Cheschir

Ответ:пример на самом деле дурацкий, но вроде так

Объяснение: окончательный ответ тоже в систему занеси, ибо мне лень

Приложения:

Cheschir: блин, и в конце косяк, я знаменатель из примера по которому решал взял

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1 Mum …….. a programme about
earthquakes at 9 o’clock yesterday.
A was watching C watches
B watched D is watching
2 What …….. you doing yesterday evening
when the snow started falling?
A were C are
B is D was
3 Nick …….. and gave me some advice.
A carefully listened to me
B listened carefully to me
C listened to me carefully
D carefully to me listened
4 Bill was sleeping when a loud rumble of
thunder …….. him up last night.
A woke C wakes
B was waking D is waking
5 Mkunga, the god of thunder, was piercing
the clouds with a spear while he ……..
across the sky.
A travelled C is travelling
B was travelling D travels
6 Michael put on his coat, hat and gloves and
…….. to work.
A was going C is going
B goes D went
7 Maria …….. to work when strong winds blew
down a tree right in front of her car.
A is driving C was driving
B drives D drove

8 My sister …….. without my help.
A easily solved the problem
B solved easily the problem
C easily the problem solved
D solved the problem easily
9 …….. lunch when the hurricane struck?
A Did you have C Are you having
B Were you having D Do you have
10 I was walking to the shops when I ……..
Jack this afternoon.
A see C am seeing
B saw D was seeing
11 The children …….. TV when they saw the
flood warning.
A were watching C watched
B are watching D watch
12 Marsha …….. on her coat and left for
school.
A put C is putting
B was putting D puts
13 The sun …….. and the wind was blowing. It
was a perfect day for windsurfing.
A shone C is shining
B shines D was shining
14 She …….. the camera out of her bag and
took photos of the rainbow.
A was pulling C is pulling
B pulls D pulled

Grammar Quiz

© Express Publishing PHOTOCOPIABLE 2
15 It started raining yesterday morning and it
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A still drizzled
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C still drizzle
D was still drizzling
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A finish C finished
B was finishing D am finishing
17 Alex and Graham …….. outside when a
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A were playing C are playing
B played D play

18 After their wedding, …….. .
A they lived together happily
B happily they lived together
C they happily lived together
D together they happily lived
19 My sisters …….. on their new jackets while
Mum was cooking.
A try C are trying
B were trying D tried
20 The heavy snowfall …….. early last night
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