Question

Q.


10!! = .......
20!! = .....
5! = ......

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Note : Menurut kalian cantikan yang mana ? ​

Answer 1

Penjelasan dengan langkah-langkah:

#1

10!!

= 10 × 8 × 6 × 4 × 2

= 80 × 48

= 3.840

#2

20!!

= 20 × 18 × 16 × 14 × 12 × 10 × 8 × 6 × 4 × 2

= 3.715.891.200

#3

5!

= 5 × 4 × 3 × 2 × 1

= 120

Answer 2

Soal

• 10!!
• 20!!
• 5!

_________________________

Penyelesaian

• 10!!
• = 10 × 8 × 6 × 4 × 2
• = 80 × 6 × 4 × 2
• = 480 × 4 × 2
• = 1.920 × 2
• = 3.840

=============================

• 20!!
• = 20 × 18 × 16 × 14 × 12 × 10 × 8 × 6 × 4 × 2
• = 360 × 16 × 14 × 12 × 10 × 8 × 6 × 4 × 2
• = 5.760 × 14 × 12 × 10 × 8 × 6 × 4 × 2
• = 80.640 × 12 × 10 × 8 × 6 × 4 × 2
• = 967.680 × 10 × 8 × 6 × 4 × 2
• = 9.676.800 × 8 × 6 × 4 × 2
• = 77.414.400 × 6 × 4 × 2
• = 464.486.400 × 4 × 2
• = 1.857.945.600 × 2
• = 3.715.891.200

============================

• 5!
• = 5 × 4 × 3 × 2 × 1
• = 20 × 3 × 2 × 1
• = 60 × 2 × 1
• = 120 × 1
• = 120