23-April-2021 Friday
Mystery
24-May-2020 Sunday
Comrades, pikabushniks, we need help from people rummaging around in computers and beeches
06-April-2020 Monday
When watching a video, the video lags behind the sound
09-March-2020 Monday
Problem in mathematics, the answer does not converge, can anyone solve it briefly? 148 problem
09-March-2020 Monday
Guys, physicists, help)) Please solve with explanations
v20240901