》 Faktorial
7!
= 7 x 6 x 5 x 4 x 3 x 2 x 1
= 42 x 5 x 4 x 3 x 2 x 1
= 210 x 4 x 3 x 2 x 1
= 840 x 3 x 2 x 1
= 2.520 x 2 x 1
= 5.040 x 1
= 5.040
_____________________
8!
= 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
= 56 x 6 x 5 x 4 x 3 x 2 x 1
= 336 x 5 x 4 x 3 x 2 x 1
= 1.780 x 4 x 3 x 2 x 1
= 6.720 x 3 x 2 x 1
= 20.160 x 2 x 1
= 40.320 x 1
= 40.320
_____________________
4!
= 4 x 3 x 2 x 1
= 12 x 2 x 1
= 24 x 1
= 24
_____________________
5!
= 5 x 4 x 3 x 2 x 1
= 20 x 3 x 2 x 1
= 60 x 2 x 1
= 120 x 1
= 120
_____________________
2!
= 2 x 1
= 2