один из двух = 77% 1-2.1*2.1
один из трех = 89% 1-2.1*2.1*2.1
сколько будет два любых из трех?
upd 53,77% верно?
Edited by dow, 20 September 2016 - 09:57.
Posted 20 September 2016 - 09:53
Edited by dow, 20 September 2016 - 09:57.
Posted 20 September 2016 - 10:18
Edited by felixx, 20 September 2016 - 10:20.
Posted 20 September 2016 - 10:27
Posted 23 September 2016 - 11:52
Edited by dow, 23 September 2016 - 11:52.