7!-6!=, 7!, 6!, dh gitu aja,

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7!-6!=
7!
6!

dh gitu aja


⧼7!⧽

❍= 7 × 6 × 5 × 4 × 3 × 2 × 1

❍= 42 × 5 × 4 × 3 × 2 × 1

❍= 210 × 4 × 3 × 2 × 1

❍= 840 × 3 × 2 × 1

❍= 2.520 × 2 × 1

❍= 5.040 × 1

❍= 5.040

⧼6!⧽

❍=6 ×5 × 4 × 3 × 2 × 1

❍=30 × 4 × 3 × 2 × 1

❍=120 × 3 × 2 × 1

❍=360 × 2 × 1

❍=720×1

❍=720

5.040 – 720

= 4.320

⧼7!⧽

❍= 7 × 6 × 5 × 4 × 3 × 2 × 1

❍= 42 × 5 × 4 × 3 × 2 × 1

❍= 210 × 4 × 3 × 2 × 1

❍= 840 × 3 × 2 × 1

❍= 2.520 × 2 × 1

❍= 5.040 × 1

❍= 5.040

⧼6!⧽

❍=6 ×5 × 4 × 3 × 2 × 1

❍=30 × 4 × 3 × 2 × 1

❍=120 × 3 × 2 × 1

❍=360 × 2 × 1

❍=720×1

❍=720

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