It would also make it a lot harder for bullying to take place, since anyone stupid enough to try it would be taking on a potentially even bigger community, as well as whoever happened to be hosting you. (Anyone who did host would have your back 100% and be able to manage comment moderation and such so you'd never even have to see the garbage.)

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чертов. 28.29
Отношение k радиусов кривизны поверхностей линзы равно 2. При каком радиусе кривизны R выпуклой поверхности оптическая сила D линзы равна 10 дптр?