3 ms·
I like the 19/20 French system. Numberphile has a nice video about it: https://www.youtube.com/watch?v=QzrRkhU248A https://www.youtube.com/watch?v=QzrRkhU248A
by lbatista 7y ago
I like the 19/20 French system.
Numberphile has a nice video about it: https://www.youtube.com/watch?v=QzrRkhU248A https://www.youtube.com/watch?v=QzrRkhU248A