{ quiz }》5! + 6! =》5! × 7! =>> pakai cara.... Question from @anisahamzah165

Jawaban:

$5! + 6! =840$

$5! × 7! =604.800$

penyelesaian

$5! + 6! =$

$5! = 5 \times 4 \times 3 \times 2 \times 1 \\ = 20 \times 3 \times 2 \times 1 \\ = 60 \times 2 \times 1 \\ = 120 \times 1 \\ = 120$

$6! = 6 \times 5 \times 4 \times 3 \times 2 \times 1 \\ = 30 \times 4 \times 3 \times 2 \times 1 \\ = 120 \times 3 \times 2 \times 1 \\ = 360 \times 2 \times 1 \\ = 720 \times 1 \\ = 720$

$120 + 720 = 840$

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$5! × 7! =$

$5! = 5 \times 4 \times 3 \times 2 \times 1 \\ = 20 \times 3 \times 2 \times 1 \\ = 60 \times 2 \times 1 \\ = 120 \times 1 \\ = 120$

$7!=7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 \\ = 42 \times 5 \times 4 \times 3 \times 2 \times 1 \\ = 210 \times 4 \times 3 \times 2 \times 1 \\ = 840\times 3\times 2 \times 1 \\ = 2.520 \times 2 \times 1 \\ = 5.040 \times 1 \\ = 5.040$

$120 \times 5.040 = 604.800$

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