1.Представить обыкновенную дробь виде бесконечной десятичной периодической дроби: (2)b)1/6a)7/182. Найти значение выражения , применив свойства сложения и умножения рациональных чисел: (2)-2, 3 * 17, 4 + (-2, 3)*(-7, 4) *1=?3.Найти значения числового выражения (3)а) —4.7•(- 9, 27) -474. Найти соответствие между бесконечной десятичной периодической дробью и ее периодом: (2)9, 3788...© 15, 62323..5. Решите уравнение: (3)6) 261323# 4в 678 8с)88/9

1.You’d better use an electronic dictionary instead from a traditional one. (B)

2: In case equipment failure, the experiment will be postponed to next week.

(A)

3. We finally solved our problem by means from a new device created by our research and development department.

(C)

4. As of me, I will be happy to dedicate a few extra hours to conduct this experiment.

(B)

5. Our methods have a lot in common with theirs.

(D)

6. According in John, they won't finish the project until the end of next week.

(B)

7. Due of the carelessness there were a lot of errors in calculations made by an inexperienced researcher.

(B)

8. In addition to the calculations our experimental group has reported results for the observed effect in the same temperature range.

(C)

9. We have tested our samples under very severe conditions from purpose.

(B)

10. I'm afraid we can't do anything about that at the moment.

(D)

Если что то не так то извините,пишу это в час ночи,извините если что то не так