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Найдите сумму отрицательных членов арифметической прогрессии: -10; -9,8...

                                                 №1                                                                                                       РЕШИТЕ УРАВНЕНИЕ. А)3Х=2     Б)0,1Х=5       В)2\3Х=6         Г)10:Х=100     Д)Х:5=5                                                       №                                                      № 2                                                                                             РЕШИТЕ УРАВНЕНИЕ. А)5Х+10=20      Б)3+0,5Х=6          В)2Х-7=17      Г)3-1\3Х=2         ПОМОГИТЕ ПОЖАЛУЙСТА.

Напишите следующие предложения в вопросительной форме: 1.He speaks Chines very well. 2.His father was a doctor. 3. These books were published in Moskow. 4. He wrote them a letter from Sochi. 5.The weather will be fine tomorrow. 6. All books must be returned to the library before the 1st of July. 7. I tought to have done it. 8. He has been working hard for the last two months. 9. He has a motor car. 10. This box weight more than that one. 11. He can swim well 12. He is working in the library. 13. They were glad to see him. 14. These boys like reading travel stories.

Напишите утвердительные и отрицательные ответы на следующие вопросы: 1.Have you done your work? 2. Does she know him? 3. Can you help me? 4. Do you want to go there? 5. Was he surprised to see him? 6. Arent you cold? 7. Havent you spoken to the manager yet? 8. Cant you prepare your work now? 9. Didnt you come by train? 10. Doesnt he speak English? 11. Wont he come to night? 12. Wasnt he at the office yesterday?