Sagot :
Repetition is allowed
No repetition is allowed
CR7,3 = (1+3-1)
TC₃
7
3:(7-3)
(773-1):
31(7-1)!
가
3! 4
(9)!
3!(6)!
3-2-1-(4)
9.8-7-6
3-2-1-(6)
Repetition is allowed
No repetition is allowed
CR7,3 = (1+3-1)
TC₃
7
3:(7-3)
(773-1):
31(7-1)!
가
3! 4
(9)!
3!(6)!
3-2-1-(4)
9.8-7-6
3-2-1-(6)