Что произойдет в городе после приезда Ревизора
Произведение "ревизор "

Между числами 2.5 и 4 вставьте четыре таких числа, которые вместе с данными числами образуют арифметическую прогрессию.

Помогите решить пожалуйсто..

20/(x-2)+20/(x+2)=7/4

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1)Have you ever earned any money ? When was it ? What did you do? 2)Do you think teenagers should work and earn money? Why? 3)What can you see when you look from the window of your room? 4)What newspapers are published and sold at the place where you live? 5)What do you prefer to buy: cheap clothes that you can change rather often or expensive clothes that will last for longer time?Why? 6)Do you type your letters when you want to send them or do you generally write them ?Why? 7)Articles on what subjects interest you most?Where do you find them?