Ответ по предмету История: Почему эти изобретение были сделаны в Китае?

Предмет: Математика, автор: BlinЧick

Упростите выражение -0,6(1,6b-5)-(2,9b-8)-4(4-1,5b) и вычислите его значение при b= -9/13.

1 год назад

Предмет: Алгебра, автор: Nikoray

log по осн.8 (x²-3x)=log по осн.8 (5х-12)
Помогите пожалуйста

1 год назад

Предмет: Английский язык, автор: yrik55

35 In your family, who ___ ? I mean who is the laziest one?
a does the hovering c makes the most mess
b does nothing d makes the most phone calls
36 Next weekend, we ___ to Mexico City.
a drive c driving
b are driving d to drive
37 My sister ___ to our end-of-semester party tonight.
a isn’t coming c didn’t come
b doesn’t come d wasn’t coming
38 The weather will definitely change at the weekend.
It ___ be sunny any more.
a can’t b isn’t c won’t d shouldn’t
39 Scientists believe that very soon we ___ to live in space.
a can b might c will be able d may
40 I feel awful! I don’t want to look at food! I think I’ve got
___ .
a sunburnt c traffic jam
b delicious food d food poisoning
41 When your flight does not leave on time, ___.
a your plane takes off c you get off the plane
b your flight is delayed d You check in your luggage
42 Have you ___ ridden a horse?
a never b yet c just d ever
43 We have already ___ three games.
a win b beat c won d beaten
44 Have you ___ somebody famous?
a ever meet b never met c ever met d never meet
45 They ___ rock climbing.
a never done c have never done
b has never done d never have done
46 The player who plays against your team is your ___ .
a substitute c glove
b trainer d opponent
47 The thing you use to hit the ball in table tennis is
called ___ .
a a rink b a bat c a net d a stick
48 A restaurant is a place ___ you eat food.
a that b who c which d where
49 A.G. Bell is the man ___ invented the telephone.
a which b who c when d what
50 If Stuart ___ to use his camera, he will have to put in
some batteries first.
a want b wants c will want d is wanting
51 When the parents meet next week, they ___ this
situation.
a discuss c will discuss
b are discussing d to discuss
52 You can leave a message if he’s got ___ .
a a remote control c a charger
b an answering machine d a battery
53 If you want to start a machine, first ___ .
a select it from the menu c switch it on
b record a message d set the time
54 I ___ really scared of heavy storms when I was a little
girl.
a was used to c used to be
b could be d was using
55 What’s happened to Josh? His room ___ be this tidy!
a didn’t use to c to be used to
b used not to d did it use to
56 I’ve known Jane ___ ten years.
a for b ago c since d ever
57 I haven’t seen him ___ last summer.
a for b ago c since d ever
58 On holidays we saw where the ___ runs into the sea.
a lake b ocean c wave d river
59 There are a lot of ___ on the road because of the
heavy rain.
a floods c hurricanes
b melting ice d droughts
60 Most films ___ by big studios these days.
a make b made c are made d to make
61 Have you heard the news? All the tickets ___ out
yesterday!
a have been sold c was sold
b were sold d be sold
62 My favourite book ___ by C.S. Lewis.
a was written c are written
b wrote d has written
63 Has the story ___ into a film?
a made b be made c was made d been made
64 I hate reading ___ . They are too long.
a short stories c novels
b comics d blogs
65 The latest Baz Luhrmann film Australia ___ Nicole
Kidman and Hugh Jackman.
a sets b directs c dubs d stars
66 If music was cheaper, I ___ for it.
a pay b paid c will pay d would pay
67 If you ___ so many mistakes, you would pass the test.
a won’t make c didn’t make
b don’t make d wouldn’t make
68 He told me ___ quiet.
a be b to be c was d being
69 She asked them ___ their friends the secret.
a to not tell c not to tell
b not tell d to tell not
70 Don’t ___ me! I didn’t do it!
a commit b protect c blame d get hurt

1 год назад

Предмет: Алгебра, автор: Magic11111111

Помогитееееееееееее пж

8 лет назад

Предмет: Алгебра, автор: KillMan4CH

Решите выражения
(х²-7у³)²+(x²+7y³)²
(5а³-4b)²+(4b+5a³)²

8 лет назад

Почему эти изобретение были сделаны в Китае?​

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Почему эти изобретение были сделаны в Китае?