6! + 7! =
pakai cara
jangan ngasal
____________
waw baru pertama kali
Penyelesaian :
= 6! + 7!
= ( 6 × 5 × 4 × 3 × 2 ) + 7!
= ( 30 × 4 × 3 × 2 ) + 7!
= ( 120 × 3 × 2 ) + 7!
= ( 360 × 2 ) + 7!
= 720 + 7!
= 720 + ( 7 × 6 × 5 × 4 × 3 × 2 )
= 720 + ( 42 × 5 × 4 × 3 × 2 )
= 720 + ( 210 × 4 × 3 × 2 )
= 720 + ( 840 × 3 × 2 )
= 720 + ( 2.520 × 2 )
= 720 + 5.040
= 5.760
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Jawaban:
6! + 7! = 720 + 5040 = 5760
Penjelasan dengan langkah-langkah:
[tex]6 \times 5 \times 4 \times 3 \times 2 \times 1 \\ = 30 \times 12 \times 2 \\ = 360 \times 2 \\ = 720[/tex]
[tex]7 \times6 \times 5 \times 4 \times 3 \times 2 \times 1 \\ = 7 \times 720 \\ = 5040[/tex]
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