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RISKI Group Title 5!6!8! what the answer the question! one year ago one year ago

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1. kropot72 Group Title

Does your calculator do factorials?

2. kropot72 Group Title

5! = 5 *4 *3 * 2 * 1 = 120

3. kropot72 Group Title

6! = 6 * 5 *4 * 3 * 2 * 1 = 720

4. kropot72 Group Title

8! = 8 * 7 * 6 * 5 *4 * 3 * 2 * 1 = 40320 Now you can easily multiply 5! * 6! * 8!

5. kropot72 Group Title

@RISKI Are you there?

6. UnkleRhaukus Group Title

$5!6!8!\\=5!\times6\times5!\times8\times7\times6\times5!\\=8\times7\times6^2\times5!^3$