Перейти к выбору ответа 12.04.2022(a+b)3-(a-b)3 помоги с примером Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Ответ учителя по предмету Алгебра сначала раскроем скобки,получится 3а+3b-3а+3b если выполнить сложение и вычитание, то останется 6b
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Как решается?
1)получен выигрыш в работе равный 5
2)получен проигрыш в работе равный 5
3)получен проигрыш в работе равный 2,5
4)выигрыша и проигрыша в работе нет.
P.S. не намасте или намастэ, а именно НАМАСТ.
СРОЧНО, ПОЖАЛУЙСТА
A Complete each sentence so that it means the same as the sentence before.
(7 points)
0 My brother regrets he can’t play the violin.
My brother wishes ____he could play the violin____ .
1 Our politicians don’t care enough about the welfare of the poor and underprivileged.
Our politicians should _________________________________________________________ __________________________________________ .
2 I regret I told them about the incident.
I wish ______________________________________________________________________ __________________________________________ .
3 It’s a pity he can’t visit his parents to ask for help.
He wishes __________________________________________________________________ __________________________________________ .
4 It’s a pity I didn’t talk to her at the party.
I should ____________________________________________________________________ __________________________________________ .
5 I don’t like the fact that you wear high-heeled shoes to school.
You shouldn’t _______________________________________________________________ __________________________________________ .
6 I’m very sorry I didn’t dress properly for the occasion. ___________________________________________________________________________ __________________________________________ .
7 I regret I fell asleep in the middle of the film.
I shouldn’t __________________________________________________________________ __________________________________________ .
B Complete the sentences with the –ing form or to+ infinitive of the verbs in brackets.
(4 points)
0 If the television still doesn’t work properly, try __moving__ (move) the aerial.
1 I regret __________ (tell) Mary the whole truth about her son’s accident. It was too much for her.
2 The sightseeing tour was so tiring that we stopped __________ (take) a rest at the nearest café.
3 Did you remember __________ (buy) milk and cornflakes for the children?
4 She knows your telephone number. Have you forgotten __________ (give) it to her?
C Match the words from two columns to form compound words.
(4 points)
0 personal a) maker
1 alarm b) wheel
2 coffee c) channels
3 key d) stereo
4 palmtop e) statues
5 potter’s f) ring
6 marble g) computer
7 TV h) clock
8 irrigation i) remote
0
1
2
3
4
5
6
d
D Complete the sentences with the appropriate words. The first letter of each word is given.
(5 points)
0 The doctor told me to ____give_____ up smoking.
1 Mark was totally b_____________ and confused when his girlfriend packed her bags and left.
2 When he dies his eldest son will t_____________ over the business.
3 Her baby learnt how to c_____________ when he was eight months old. I’m sure he will soon start to walk.
4 We were all greatly i_____________ by Julia Robert’s acting in this film. She was just great!
5 Local shop owners complain that too many supermarkets g_____________ up in their area.