Вопрос школьника по предмету Математика
произвести сложение наиболее удобным путем используя перемистительный и сочетательный законы 1)2608+529+362+271
Ответ учителя по предмету Математика
2608+362+529+271=2970+800=3770
произвести сложение наиболее удобным путем используя перемистительный и сочетательный законы 1)2608+529+362+271
2608+362+529+271=2970+800=3770
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1. Where is Ann? She ( to play ) tennis at the stadium.
2. Please, don’t make so much noise. Father ( to work ) in the study.
3. Don’t disturb me. I ( to watch ) the interesting program.
4. I ( not to laugh ) at you.
5. What journal you ( to read ) when I came to the library?
6. The whole family ( to have ) dinner when the telephone rang.
7. We ( to ski ) the whole day yesterday.
8. When I came to the party all guests ( to dance ).
9. She ( to learn ) English the whole day tomorrow.
10. The children ( to play ) when we returned home.
11. Look! It is getting dark. It ( to rain ) in a minute.
12. Where he ( to go ) when the rain started?
13. She ( to listen ) to a very interesting lecture at 5 o’clock tomorrow.
14. While my mother was cooking dinner I ( to lay ) the table.
15. They won’t go on excursion with us. They ( to have ) a lecture at 2 o’clock.
16. He is not learning new words, he ( to recite ) a poem now.
17. Mother ( to make ) a cake in the kitchen at the moment.
18. My brother ( to take ) a bath now. Wait for him.
19. The students of our group ( to write ) a dictation now.
20. Sophie is busy. She ( to knit ) a sweater for her grandson.