Q., 10!-5!=, 10!, 5!, dh gitu aja

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Q.

10!-5!=
10!
5!
dh gitu aja​

⧼10!⧽

❍= 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

❍= 90 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

❍= 720 × 7 × 6 × 5 × 4 × 3 × 2 × 1

❍= 5.040 × 6 × 5 × 4 × 3 × 2 × 1

❍= 30.240 × 5 × 4 × 3 × 2 × 1

❍= 151.200 × 4 × 3 × 2 × 1

❍= 604.800 × 3 × 2 × 1

❍= 1.814.400 × 2 × 1

❍= 3.628.800 × 1

❍= 3.628.800

⧼5!⧽

❍= 5 × 4 × 3 × 2 × 1

❍=20 × 3 × 2 × 1

❍=60 × 2 × 1

❍= 120 × 1

❍=120

3.628.800 – 120

= 3.628.680


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