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Знайти значення одного виразу стовпчиком. Використай результат для обчислення решти виразів способом округлення.
394+487
594+187
398+487
294+491
494+387
487+388-
Предмет:
Математика -
Автор:
kierabecker - 6 лет назад
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Ответы 1
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1) примерно 8802)примерно 7803)примерно 8904)примерно 7905)примерно 8806)примерно 880
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Автор:
amigoylh6 - 6 лет назад
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0
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найти значения выражения 17.3-у при у=8.6
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Поможитеееее плиззз срочноооо очень надо!!!
/. Choose the correct variant:
1. He a bath when the telephone rang.
was having b) had c) will have d) has
2. After he to his girlfriend, he telephoned his mother.
a) spoke b) was speaking e) has spoken d)had spoken
3. This lime tomorrow I an exam.
a) will take b) took c) will be taking d) will have taken
4. They school three years ago.
a) finish b) finished c) will finish d) have finished
5. A secretary is a person who letters.
a) is typing b) types c) has typed d) typed
6.1 I my homework at the moment.
a) do b) did c) am doing d) had done
7.1 I my bed yet.
a) haven't made b) didn’t make c) hadn’t made d) won't make
8. If you to Paris you'll see Eiffel Tower.
a) will go b) went c) are going d)go
9. They this school by the end of the year.
a) have built b) built c) will have built d) will build
10. While he was watching TV his wife dinner.
a) was cooking b) is cooking c) cooks d) cooked
11. a camera next month.
a) I’ve bought b) I bought c) I’II buy d) I’ll be buying
12. She said that she him at the party.
a) will see b) saw c) have seen d) had seen
13. He the book. You may take it.
a) has read b) is reading c) will read d) had read
14.1 I will have finished this work by the time you
a) will return' b)‘return c) returned d) returns
15. She hadn't cleaned the room by the time they
a) came back b)come back c) have come back d) will come back
11. Insert am, is, are, he, have, has, was, were, had, does, do, did, will.
1. ___they at the cinema last night?
2. The boy_____ be seven next year.
3. Where ___ _ her son study?
4. They will___ built a new supermarket by the end of the year.
5, Our room____ two windows.
6 I___ busy today.
7 Listen! Somebody____ singing behind the door.
8. Our teacher said that she____ checked our dictations.
9. _____ you go shopping every day?
10. I didn’t go to the University yesterday because I_______ ill.
11. Where ___ your parents now?
12. The children ____ playing when their mother entered the room.
13. ____ you a brother?
14. Whom___you meet the day before yesterday?
15. Tomorrow from 9 till 13 the students of our group will____ taking an exam
Put questions to the sentences beginning with the words in brackets:
1. They are from Lviv. (Where ....?)
2. My brother knows English well. (How ....?)
3. The children were playing from 1 p.m. till 3 p.m. (Who ?)
4. The students are listening to the teacher. (The students ?)
5. Jane has already bought apples. (Has..... or ...?)
6. My parents will have holidays in summer. (When ?)
7. Nick visited his friend in the hospital yesterday. (Nick ?)
8. Lisa will be cooking a festive dinner the whole day tomorrow.(Will... ?)
9. Mary had translated the text by 5 o’clock yesterday. (What ?)
10. I was absent at the University yesterday because I was ill. (Why.....you...?)
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Автор:
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