Quiz ke-260 8! = … ?3! × 4! = … ?
Penjelasan dengan langkah-langkah:
8! = 8.7.6.5.4.3.2.1
= 40.320
3! × 4!
= ( 3.2.1 ) × ( 4.3.2.1 )
= 6 × 24
= 144
Jawaban:
8!
= 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 56 × 6 × 5 × 4 × 3 × 2 × 1
= 336 × 5 × 4 × 3 × 2 × 1
= 1680 × 4 × 3 × 2 × 1
= 6720 × 3 × 2 × 1
= 20160 × 2 × 1
= 40320
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3! × 4!
= (3 × 2 × 1) × (4 × 3 × 2 × 1)
= 6 × 24
= 144
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