1). Выполни сначала умножение (или деление ), а затем сложение (или вычитание ). .34* 2 + 18 =-------------------------------------------------------------- .70 - 50 : 2=--------------------------------------------------------------- .39 + 18 : 2 =------------------------------------------------------------- .2) Во дворе ходили и ползали две сороконожки, три поросёнка, два гуся и четыре жука. . У сороконожки 40 ножек. Составь выражение для подсчёта ножек у всех этих животных. .Сосчитай, если можешь, количество ног.

Согласование времен. Раскройте скобки, употребляя глаголы в требующемся времени.

1. He said he (to leave) tomorrow morning.

2. She says she already (to find) this book.

3. He stopped and listened: the clock (to strike) five.

4. She said she (can) not tell me the right time, her watch (to be) wrong.

5. I asked my neighbour if he ever (to travel) by air before.

6. The policeman asked George where he (to run) so early.

7. The delegates were told that the guide just (to go) out and (to be) back in ten minutes.

8. I knew they (to wait) for me at the metro station and I decided to hurry.

9. I didn’t know that you already (to wind) up the clock.

10. I was afraid that the little girl (not to be) able to unclock the front door and (to go) upstairs to help her.

11. He says that he (to know) the laws of the country.

12. Sarie understood why Lanny (not to come) the previous evening.

13. She asked me whether I (to remember) the legend about a faithful lion.

14. He understood that the soldiers (to arrest) him.

15. He could not understand why people (not to want) to take water from that well.

16. I suppose they (to send) dog after the burglar immediately.

17. They realized that they (to lose) their way in the dark.

18. I think the weather (to be) fine next week. I hope it (not to change) for the worse. 19. I knew what he (to buy) for her birthday.

20. She thought the children (to play) in the yard.

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сравнение рек параны и конго