Penyelesaian :
------------------------------------------
= 5!
= 5 × 4 × 3 × 2 × 1
= 20 × 3 × 2 × 1
= 60 × 2 × 1
= 120 × 1
= 120
=========
= 4!
= 4 × 3 × 2 × 1
= 12 × 2 × 1
= 24 × 1
= 24
5!
5 × 4 × 3 × 2 × 1
20 × 6
120
4!
4 × 3 × 2 × 1
12 × 2
24
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Penyelesaian :
------------------------------------------
= 5!
= 5 × 4 × 3 × 2 × 1
= 20 × 3 × 2 × 1
= 60 × 2 × 1
= 120 × 1
= 120
=========
= 4!
= 4 × 3 × 2 × 1
= 12 × 2 × 1
= 24 × 1
= 24
5!
5 × 4 × 3 × 2 × 1
20 × 6
120
____________________
4!
4 × 3 × 2 × 1
12 × 2
24