Решите уравнение 1 - 5x = -6x + 8.

B) Fill in the blanks with the SIMPLE PAST of the verbs in brackets:

13) а) 81 308 - 308 · (8856 - 8649) + 54 600 : 6; б) (52 · 390 - 8765 - 4098) · (1228 : 4 - 207).

1 Write the verbs under the correct pictures.

12 Ответь кратко на вопросы. 1. Did you go to school yesterday? 2. Did you do your homework yesterday? 3. Did you write any tests last week? 4. Did you go anywhere on holiday last summer? 5. Did you make any new friends on holiday last year? 6. Did you buy any new toy or computer game last month? 7. Did you lose anything last week? 8. Did you see any new films or cartoons last month? 9. Did you go to the swimming pool last week? 10. Did you play tennis last Sunday? 11. Did you hear any new song on the radio yesterday?

18. Определить массу медного купороса, которую нужно растворить в 375 г воды, чтобы получить 4%-ный раствор сульфата меди.

Match the creatures (1-10) with the descriptions (a-j).

Put the verbs in brackets in the present perfect.

Укажите варианты ответов, в которых во всех словах одного ряда пропущена та же буква.

Put the words in the correct order. Then write one more piece of advice for each person.

а) x + 1 2/9 = 2 5/12; б) 14 : x = 21 : 9