Предмет: Физика, автор: okartem2004

D=2f
D=f
Собирающая линза​
ПОЖАЛУЙСТА!!!!!!!!!!!!!!!!!!!!!!!!!!!
даю 20 баллов плиз умоляю​

Ответы

Автор ответа: okankakozlova
0

Ответ:

сорян, линейки не было, но всё правильно

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