Ответ по предмету Химия: Складіть формулу сполук за відомими ступенями окиснення елементів: 5+ MgN, PCI

Предмет: Геометрия, автор: 1224872

1. Знайдіть значення виразу $\frac{25-x^{2} }{x^{2} -6x+5}$ при x = -99

2. Знайдіть номер члена арифметичної прогресії 8,1; 8,5; 8,9; ..., який дорівнює 12,5

3. Число 3 є коренем рівняння 4 $x^{2}$ - 2х + m = 0. Знайдіть другий корінь рівняння і значення m

1 год назад

Предмет: Другие предметы, автор: beridzeulia29

Что искал Том Соер возле заброшенного дома?

1 год назад

Предмет: Английский язык, автор: Аноним

хей привет умный человек помоги мне пожалуйста ;))) да именно ты я знаю что ты очень очень очень очень умный

1 год назад

Предмет: Физика, автор: shula3

Ответьте на вопросы.

1. Уменьшение громкости звука в воздухе или другом веществе называется звуком...

2. Звуковые волны создают..

7 лет назад

Предмет: Английский язык, автор: kovalevatana51

№1 Comparison Degrees
1. This book is… than yours.
a) more difficult b) most difficult
c) difficulter d) difficultest
2. This word is .... one in our language.
a) longer than b) the longest
c) the longer one d) longest than
3. All these houses are nice but ours is ....
a) nicer than b) nicest
c) the nicest d) the nicer
4. This car is very nice but that one is ....
a) nicer b) more nice
c) the nicest d) more nicer
5. This detergent washes .... than white.
a) more white b) more whiter
c) whiter d) most white
6. That girl is pretty. She is .... than her sister.
a) more pretty b) more prettier
c) prettiest d) prettier
7. This man is very intelligent. He's…than you.
a) intelligenter b) more intelligent
c) most intelligent d) intelligentest
8. This lesson is the ...
a) difficulter b) most difficult
c) more difficult d) difficultest
9. This classroom is .... in the school.
a) larger b) the largest
c) the larger d) the most large
10. This table is… than yours.
a) more long b) longest
c) longer d) more long
11. Susan is .... than her cousin.
a) more beautiful b) beautifuler
c) most beautiful d) beautifuller
12. This boy is .... than his brother.
a) tallest b) taller
c) the tallest d) the taller
13. That girl is the in her class.
a) smaller b) smallest
c) littlest d) more small
14. This town is much .... than we expected.
a) biggest b) the bigger
c) the biggest d) bigger
15. This book is .... than yours.
a) thinnest b) thinner
c) the thinner d) as thin
16. This TV set is .... than that one.
a) more expensive b) expensive
c) most expensive d) expensivest
17. These chairs are the ....
a) more comfortable
b) most comfortable
c) comfortabler
d) comfortablest
18. These clothes are the .... of all.
a) whitest b) more white
c) whiter d) most white
19. That pen is .... of all.
a) the better b) the best
c) more good d) most good
20. My table is .... than Peter's.
a) longer b) as long
c) the longest d) as longer

№2 Past Simple
1. Did you .... to the cinema?
a) went b) go
c) going d) to go
2. Did she .... the tennis match?
a) win b) won
c) winning d) to win
3. Did the old woman .... in the street?
a) falling b) to fall
c) fell d) fall
4. What did you… last night.
a) do b) did
c) to do d) doing
5. Did the teachers… the football match?
a) lost b) to lose
c) losing d) lose
6. When did little Tom .... the milk?
a) drink b) drank
c) drunk d) to drink
7. What….. last Sunday?
a) you did b) did you did
c) did you d) did you do
8.'When… that?' 'Last night.'
a) they did
b) did they did
c) did they do
d) did they
9. What did Carol… last Sunday?
a) do b) did
c) done d) —
10. Why did you… me a present?
a) gave b) to give
c) given d) give
11. Where….. the children play yesterday?
a) do b) does
c) done d) did
12. When did Mr Smith .... to London?
a) go b) went
c) gone d) to go
13. What….. last Saturday?
a) you did b) did you do
c) did you d) you done
14. Where…. you go yesterday?
a) do b) does
c) did d) went
15. They didn't .... anything.
a) do b) did
c) - d) does
16. What did she .... last night?
a) did b) do
c) - d) done
17 she .... the tennis match?
a) Did/win b) Did /won
c) Does/win d)Does /won
18. She…. to the cinema.
a) not went b) didn't went
c) didn't go d) doesn't went
19. We… in the morning.
a) don't come
b) didn't come
c) came not
d) not came
20. They… it yesterday.
a) didn't do b) didn't
c) not did d) not do

7 лет назад

Складіть формулу сполук за відомими ступенями окиснення елементів: 5+ MgN, PCI

Ответы

Складіть формулу сполук за відомими ступенями окиснення елементів:
5+
MgN, PCI