yuanyu: so, the following rates are established: dollar 3 rubles, 18 kopecks.ction they gave 4 rubles 42 kopecks. 3.56 costs 100 russian rubles. and the euro exchange rate according to the national bank is 3 rubles, 44 kopecks. now let’s talk about the developments of our scientists. in the ranking of the best discoveries, devices for biometric determination of the pre-breeding state of a dairy herd. the development was included in the top 10 scientific achievements of the past. year, this disease can cause serious economic damage to the entire livestock industry, and also because of this disease, milk yield sharply decreases, so the invention will certainly find application, given that belarus is one of the world leaders in milk production. so, the rating from the academy of sciences, what other developments are included in the top ten, ilona volynets will talk about this. everyone around is coughing and sneezing. no wonder: a seasonal increase in the incidence of influenza is usually falls in january-february. therefore, the best advice now is to adhere to re