Предмет: Химия, автор: Jilar

Виды химической связи.

Ответы

Автор ответа: Nata9jij
0
ионная,ковалентная (полярная и неполярная), металлическая,водородная
Автор ответа: поня555
0
ионная,ковалентная,металлическая
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Сложите и вычтите.
5/12 - 3/8
5/16 + 5/6
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Упражнение 211
Раскройте скобки, употреблял мағолы в Presen
Continuous unu Past Continuous
1. I to write) an English exercise now. 2. It
write) an English exercise at this time yesterday
3. My little gister (to sleep) now. 4 My little siste
(to sleep) at this time yesterday. 5. My friends (no
to do) their homework now. They (to play) volleyball
6. My friends (not to do) their homework at seven
o'clock yesterday. They (to play) volleyball. 7. She
(to read) the whole evening yesterday. 8. She (not
read) now. 9. Now she (to go) to school. 10. What you
(to do) now? I (to drink) tea. 11. You (to drink
tea at this time yesterday?- No, I (not to drink) te
at this time yesterday, I(to eat) a banana. 12, M
sister is fond of reading. She (to read) the whol
evening yesterday, and now she (to read) again
13. Look! My cat (to play) with a ball. 14. When
I went out into the garden, the sun (to shine) an
birds (to sing) in the trees. 15. You (to eat) ice cream
now? 16. You (to eat) ice cream when I rang yo
up yesterday? 17. What your father (to do) now
18. What your father (to do) from eight till nin
yesterday? 19. Why she (to cry) now? 20. Why sh
(o ery) when I saw her yesterday? 21. I (to enjoy
iny holiday​
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Определите степень одночлена 2⁷a⁴bc⁵
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1)5x+(11-7x)
2)-3y-(8p-3g)
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4)8a -4(3a+2)
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Можно ли проводить эксперимент без наблюдения? Обосновать.
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