Предмет: Математика, автор: nensy21

Помогите упростить
0,5z+0.5k-5z-0.5k
3/2a+0.25b-a-1/4b

Ответы

Автор ответа: 4002Sofiya2004

0

1)0,5z+0,5k-0,5k=0,5z/0,5k-0,5k=0,5z/0(цифра 0,5z в числителе,а цифра 0 в знаменателе)
2)3/2a+0,2b-a-1/4=1,5a-a+0,2b-0,25b=0,5a-0,05b

Автор ответа: 4002Sofiya2004

0

Если что то обыкновенные дроби такие как 1/4 я перевела в десятичные(0,25)

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1. I _____ very hard at the moment.

work

am working

will work

2. Water _____ at 100°C.

boils

is boiling

boiled

3. I _____ at 6 o’clock in the morning.

gets up

getting up

get up

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a, -

the, the

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wrote

has written

had written

9. Please don’t make so much noise! I _____ to sleep.

try

am trying

have tried

10. Are you going _____ home now?

to

-

at

11. I want _____ a new car.

buying

buy

to buy

12. I go _____ work _____ bus.

to,on

to,by

on,on

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does not rain

is not raining

is not rain

14. _____ Wednesdays, I don’t work.

On

At

In

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in the

in

by

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Get up

Getting up

To get up

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ever saw

have ever seen

ever did see

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turn on

am turn on

will turn on

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on

at

in

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speaking

to speak

speak

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are invented

were invented

invented

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probably am

will probably be

probably were

23. This candidate spent 5 years in _____ prison.

a

the

-

24. Cheese _____ of milk

makes

is making

is made

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will meet

am going meet

am meeting

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Were you always living

Did you always live

Have you always lived

27. I _____ to London in my life.

am never

never was

have never been

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don’t study, don’t pass

won’t study, won’t pass

don’t study, won’t pass

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change

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are married

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in

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shouting

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went

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has already gone

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Were you waiting

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would clean

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is being researched

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drank

will be drinking

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ran

was running

had been running

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had been sent

was sent

sent

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will start

will have started

started

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