Last, 7!!, (dua kali itung) =2713, contoh :, 2!!, = 2 \xd7 1 \xd7 2 \xd7 1, = 4, (ya begitulah), 8! =

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Last


7!!
(dua kali itung) =✓
contoh :
2!!
= 2 × 1 × 2 × 1
= 4
(ya begitulah)

8! =​

`⌁ ◜Soal◞

• 7!!

• 8!

`⌁ ◜Jwbn◞

• 7!!

= ( 7 × 6 × 5 × 4 × 3 × 2 × 1 ) × ( 7 × 6 × 5 × 4 × 3 × 2 × 1 )

= 5.040 × 5.040

= 25.401.600

• 8!

= 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

= 56 × 6 × 5 × 4 × 3 × 2 × 1

= 336 × 5 × 4 × 3 × 2 × 1

= 1.680 × 4 × 3 × 2 × 1

= 6.720 × 3 × 2 × 1

= 20.160 × 2 × 1

= (20.160 + 20.160) × 1

= 40.320 × 1

= 40.320

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