The author posted a question in Homework
who has homework on physics for 9 grade, peryshkin. Help people! Please? and got a better answer
Response from Дима[+++]
Answers, ru?
Response from 0[+++]
Answers ru
Answers ru
Response from 0[++]
hmm. i have one. what exactly do you need?
hmm. i have one. what exactly do you need?