M.V. Lomonosov Moscow State University ( Russian : Ð Ð 3\/4 Ñ Ð Ð 3\/4 Ð Ñ Ð Ð Ð Ð Ð 3\/4 Ñ Ñ Ð Ð Ñ Ñ Ñ Ð Ð Ð 1\/2 Ð 1\/2 Ñ Ð Ñ Ð 1\/2 Ð Ð Ð Ñ Ñ Ð Ñ Ð Ñ Ð Ð 1\/4 Ð Ð 1\/2 Ð Ð . Ð Ð 3\/4 Ð 1\/4 Ð 3\/4 Ð 1\/2 Ð 3\/4 Ñ Ð 3\/4 Ð Ð -RCB- is the largest and oldest university in Russia . In 1779 , Mikhail Kheraskov founded a boarding school for noblemen ( Ð ` Ð '' Ð Ð Ð 3\/4 Ñ Ð 3\/4 Ð Ð 1\/2 Ñ Ð Ð Ð Ð 1\/2 Ñ Ð Ð 3\/4 Ð 1\/2 ) , which was transformed into a gymnasium for the Russian nobility in 1830 .